Shop diy video game console

Sponsored
About our ads
$16.99
LEPANDA DIY Game Console, Soldering Project Kit, Electronics Solder Practice Kit, Designed For Students, Great STEM Project And Gift
Amazon.com
45
$16.99
LEPANDA DIY Game Console, Soldering Project Kit, Electronics Solder Practice Kit, Designed For Students, Great STEM Project And Gift
Amazon.com
45
$89.99
Kinhank Super Console X Pro With 100000+ Games,Retro Game Consoles TV & Game System In 1, Compatible With 63+ Emulators,2 Wireless Game Controllers
Amazon.com
Free shipping
$89.99
Kinhank Super Console X Pro With 100000+ Games,Retro Game Consoles TV & Game System In 1, Compatible With 63+ Emulators,2 Wireless Game Controllers
Amazon.com
Free shipping
$99.99
Kinhank 2025 Super Console X2 Pro Pre-Installed 65,000+ Classic Games,Retro Game Consoles Compatible With 60+ Emulators,Emuelec 4.6&Android 9.0, 4K
Amazon.com
Free shipping
$99.99
Kinhank 2025 Super Console X2 Pro Pre-Installed 65,000+ Classic Games,Retro Game Consoles Compatible With 60+ Emulators,Emuelec 4.6&Android 9.0, 4K
Amazon.com
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games With Game&TV System,BT 5.0,Rock Chip RK3588S,SATA 3.1,Wireless Controllers
Amazon.com
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games With Game&TV System,BT 5.0,Rock Chip RK3588S,SATA 3.1,Wireless Controllers
Amazon.com
Free shipping
$4.85
$9.48
DIY Pixel Game Console Production Kit DIY 51 Single-Chip Children Game Kit Classic Game Soldering
AliExpress
48% off
$4.85
$9.48
DIY Pixel Game Console Production Kit DIY 51 Single-Chip Children Game Kit Classic Game Soldering
AliExpress
$115.99
Super Console X4 Plus Retro Game Console Pre-Built-In 65000+Games, Retro Game Console With 65+ Emulators,Emuelec 4.6/Android 11.0/Coree,S905x4,4K
Amazon.com
4
Free shipping
$115.99
Super Console X4 Plus Retro Game Console Pre-Built-In 65000+Games, Retro Game Console With 65+ Emulators,Emuelec 4.6/Android 11.0/Coree,S905x4,4K
Amazon.com
4
$769.99
Valve Steam Deck OLED 1TB Handheld Gaming Console
Amazon.com
268
Free shipping
$769.99
Valve Steam Deck OLED 1TB Handheld Gaming Console
Amazon.com
268
$38.99
M15 Retro Game Stick,Retro Gaming Console Built-In 50000+ Games,28 Emulator,4K HDMI Wireless Retro Game Console With Dual 2.4Ghz Wireless
Amazon.com
Free shipping
$38.99
M15 Retro Game Stick,Retro Gaming Console Built-In 50000+ Games,28 Emulator,4K HDMI Wireless Retro Game Console With Dual 2.4Ghz Wireless
Amazon.com
Free shipping
$319.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games,Rock Chip RK3588S,Emulator Console With Game&TV System,8K UHD Output,SATA 3.1,BT
Amazon.com
Free shipping
$319.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games,Rock Chip RK3588S,Emulator Console With Game&TV System,8K UHD Output,SATA 3.1,BT
Amazon.com
Free shipping
$29.97
20000+ Games,2025 Retro Home Game Console Wireless Double Handle PSP Arcade Double TV Game Console Plug And Play Video Game Stick, HDMI Output TV
Amazon.com
42
$29.97
20000+ Games,2025 Retro Home Game Console Wireless Double Handle PSP Arcade Double TV Game Console Plug And Play Video Game Stick, HDMI Output TV
Amazon.com
42
$44.99
Retro Game Console Stick Pro, Built-In 23 Emulators 40000+ Classic Video Games With 4K HDMI And Dual 2.4G Wireless Controllers (128GB) Plug
Amazon.com
Free shipping
$44.99
Retro Game Console Stick Pro, Built-In 23 Emulators 40000+ Classic Video Games With 4K HDMI And Dual 2.4G Wireless Controllers (128GB) Plug
Amazon.com
Free shipping
$37.36
$59.78
Picade Console Raspberry Pi Gaming Kit
Saas-forge
37% off
$37.36
$59.78
Picade Console Raspberry Pi Gaming Kit
Saas-forge
$31.21
$47.81
620 Retro Game Console Mini Classic Game System With 2 Classic Controller And Built-In 620 Games, AV Output Plug Play Childhood Mini Classic Console, Old Video Game Console For Kids Adults
philomacar
Free shipping
34% off
$31.21
$47.81
620 Retro Game Console Mini Classic Game System With 2 Classic Controller And Built-In 620 Games, AV Output Plug Play Childhood Mini Classic Console, Old Video Game Console For Kids Adults
philomacar
Free shipping
$23.99
TEFELE Wireless Retro Game Console, Plug-And-Play Retro Video Games, Built-In 20,000+Games And 23 Emulators, Classic Video Games With 4K HDMI Output
Amazon.com
$23.99
TEFELE Wireless Retro Game Console, Plug-And-Play Retro Video Games, Built-In 20,000+Games And 23 Emulators, Classic Video Games With 4K HDMI Output
Amazon.com
$59.80
ELECFREAKS Retro Coding Arcade For Microsoft Makecode DIY Programmable Handheld Game Console Suitable For STEM Education, Kid Game Programming
Amazon.com
64
Free shipping
$59.80
ELECFREAKS Retro Coding Arcade For Microsoft Makecode DIY Programmable Handheld Game Console Suitable For STEM Education, Kid Game Programming
Amazon.com
64
$329.99
Kinhank Super Console X5 PRO Retro Gaming Console With 16000+Games,Android 12.0 OS,Emulator Console,8K UHD Output,WI-FI 6,BT 5.0,SATA 3.1,AV1,Rock
Amazon.com
48
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Gaming Console With 16000+Games,Android 12.0 OS,Emulator Console,8K UHD Output,WI-FI 6,BT 5.0,SATA 3.1,AV1,Rock
Amazon.com
48
$31.76
$48.50
821 Classic Retro Game Console, Classic Retro Game System Built-In 821 Games, Support AV And HDMI Output. Plug And Play, 2 NES Controllers, Is The Perfect Gift.
philomacar
Free shipping
34% off
$31.76
$48.50
821 Classic Retro Game Console, Classic Retro Game System Built-In 821 Games, Support AV And HDMI Output. Plug And Play, 2 NES Controllers, Is The Perfect Gift.
philomacar
Free shipping
$58.97
R36MAX Upgraded Retro Gaming Console,4.0 Inch IPS Screen,Linux System With Professional RK3326 Gaming Chip, Retro Handheld Game Console Built-In
Amazon.com
Free shipping
$58.97
R36MAX Upgraded Retro Gaming Console,4.0 Inch IPS Screen,Linux System With Professional RK3326 Gaming Chip, Retro Handheld Game Console Built-In
Amazon.com
Free shipping
$49.99
G350 Retro Game Console,Linux System RK3326 G350 Handheld Game Console Built-In 64G TF Card 4371 Games,3.5-Inch IPS Screen, Wifi, Bluetooth 4.2,
Amazon.com
31
Free shipping
$49.99
G350 Retro Game Console,Linux System RK3326 G350 Handheld Game Console Built-In 64G TF Card 4371 Games,3.5-Inch IPS Screen, Wifi, Bluetooth 4.2,
Amazon.com
31
$53.88
$61.54
Kinhank Retro Game Console 256GB, Super Console X PRO Built-In 50,000+ Games, Video Game Console Systems For 4K TV HD/AV Output, Dual Systems, Compatible With PS1/PSP/MAME/ATARI
Girlsfindout
Free shipping
12% off
$53.88
$61.54
Kinhank Retro Game Console 256GB, Super Console X PRO Built-In 50,000+ Games, Video Game Console Systems For 4K TV HD/AV Output, Dual Systems, Compatible With PS1/PSP/MAME/ATARI
Girlsfindout
Free shipping
$60.00
R36S Retro Handheld Gaming Console 3.5 Inch IPS Screen Video Game Console Player Built In 22000 Games 128G For GBA GB MAME 26 Emulator Kid Gift
Amazon.com
Free shipping
$60.00
R36S Retro Handheld Gaming Console 3.5 Inch IPS Screen Video Game Console Player Built In 22000 Games 128G For GBA GB MAME 26 Emulator Kid Gift
Amazon.com
Free shipping
$156.89
Hyperkin Retron 5: HD Gaming Console For GBA/Gbc/GB/Super NES/Super Famicom/Genesis/Mega Drive/Master System (Hyper Beach) - Super NES
Amazon.com
393
Free shipping
$156.89
Hyperkin Retron 5: HD Gaming Console For GBA/Gbc/GB/Super NES/Super Famicom/Genesis/Mega Drive/Master System (Hyper Beach) - Super NES
Amazon.com
393
$54.88
$71.34
Kinhank Video Game Console 128G, Super Console X Pro Built In 41,000+ Classic Games, Retro Game Console Systems For 4K TV HD/AV Output, Dual Systems, Compatible With NES/N64/PS1/PSP/MAME/ATARI
the30-minutetrader.com
23% off
$54.88
$71.34
Kinhank Video Game Console 128G, Super Console X Pro Built In 41,000+ Classic Games, Retro Game Console Systems For 4K TV HD/AV Output, Dual Systems, Compatible With NES/N64/PS1/PSP/MAME/ATARI
the30-minutetrader.com
$38.99
$52.25
Retro Mini Classic 4K Videogame Console
the30-minutetrader.com
25% off
$38.99
$52.25
Retro Mini Classic 4K Videogame Console
the30-minutetrader.com
$42.68
$55.48
Retro Video Game Console With 818 Classic HD Video Games, Wireless Controller Game Console, Plug And Play HDMI Video Game Console, Old Arcade Retro Console Ideal Gift For Children And Adults
the30-minutetrader.com
23% off
$42.68
$55.48
Retro Video Game Console With 818 Classic HD Video Games, Wireless Controller Game Console, Plug And Play HDMI Video Game Console, Old Arcade Retro Console Ideal Gift For Children And Adults
the30-minutetrader.com
$58.68
$76.28
Hockoliy Wireless Retro Game Console With 1595 Classic Games, HDMI 1080 HD Output, 2 Wireless Controllers, TV Game Console, Plug And Play Video Games Console, Ideal Gift Choice For Kids And Adults
the30-minutetrader.com
23% off
$58.68
$76.28
Hockoliy Wireless Retro Game Console With 1595 Classic Games, HDMI 1080 HD Output, 2 Wireless Controllers, TV Game Console, Plug And Play Video Games Console, Ideal Gift Choice For Kids And Adults
the30-minutetrader.com
$159.99
Original Nintendo 64 System Console 2 Controller N64 Bundle Pak
DKOldies
$159.99
Original Nintendo 64 System Console 2 Controller N64 Bundle Pak
DKOldies
$36.88
$48.68
E-MODS Gaming Mini TV Video Games Console Built-In 108 Classic Games, 3.0X22 TFT Retro Games Player Supporting 2.4Gh Wireless
Megeanus
24% off
$36.88
$48.68
E-MODS Gaming Mini TV Video Games Console Built-In 108 Classic Games, 3.0X22 TFT Retro Games Player Supporting 2.4Gh Wireless
Megeanus
$62.39
$86.10
HAIHUANG rg351m Retro Game Console,Wifi Built-In Online Sparring, Handheld Game Console With 64G TF Card 2500 Classic Games, Portable Game Console 3.5 Inch IPS Screen Happy Time With Kids (Black)
philomacar
Free shipping
27% off
$62.39
$86.10
HAIHUANG rg351m Retro Game Console,Wifi Built-In Online Sparring, Handheld Game Console With 64G TF Card 2500 Classic Games, Portable Game Console 3.5 Inch IPS Screen Happy Time With Kids (Black)
philomacar
Free shipping
$149.99
Original Nintendo NES System Console With Controller
DKOldies
$149.99
Original Nintendo NES System Console With Controller
DKOldies
$59.99
Sony Playstation Console Classic
GameStop
$59.99
Sony Playstation Console Classic
GameStop
$299.99
G CLOUD Gaming Handheld Console - Xbox
Best Buy
520
Free shipping
$299.99
G CLOUD Gaming Handheld Console - Xbox
Best Buy
520
$53.99
Miyoo Mini Plus Retro Game Console,3.5 Inch IPS Classic System Retro Video Games Consoles,With 64G TF Card And Wireless Networt Handheld Console
Amazon.com
79
Free shipping
$53.99
Miyoo Mini Plus Retro Game Console,3.5 Inch IPS Classic System Retro Video Games Consoles,With 64G TF Card And Wireless Networt Handheld Console
Amazon.com
79
How to Build the Ultimate Raspberry Pi Retro Gaming Console
31:13
How to Build the Ultimate Raspberry Pi Retro Gaming Console
Nov 1, 2018
electromaker.io
DIY Handheld Game Console using Arduino Pro Micro and Arduboy
DIY Handheld Game Console using Arduino Pro Micro and Arduboy
Jun 25, 2021
circuitdigest.com
Building A Small PlayStation - Gaming Console USING RASPBERRY PI
5:59
Building A Small PlayStation - Gaming Console USING RASPBE…
17.9K viewsAug 15, 2020
YouTubeCreative1236
Build your OWN retro game console with a Raspberry Pi!
17:12
Build your OWN retro game console with a Raspberry Pi!
624.5K viewsNov 3, 2021
YouTubeJeff Geerling
Build your own GameBoy with Raspberry Pi Pico 🕹️ DIY Guide
3:38
Build your own GameBoy with Raspberry Pi Pico 🕹️ DIY Guide
61.1K viewsApr 3, 2022
YouTubeYouMakeTech
Building the Ultimate Retro Console! Raspberry Pi 4 (8Gb) Retro Pi Tutorial
38:51
Building the Ultimate Retro Console! Raspberry Pi 4 (8Gb) Retro Pi Tuto…
517.5K viewsFeb 1, 2021
YouTubeGamer Heaven
How to Make Your Own Game Console
How to Make Your Own Game Console
64.8K viewsOct 1, 2020
instructables.com
0:43
DIY Project: You Can Build Your Own Game Console
778 views7 months ago
YouTubeKral-FF Crafts
6:45
How to Make Your Own Video Game
1.1M views2 months ago
wikiHowEric McClure
6:04
Make a Retro Gaming Emulation Console with a Raspberry Pi
13.6K viewsJul 18, 2020
YouTubeTME Retro
21:31
The Everything Console Mk2 - DIY Retro Emulation Game Console
1 month ago
Microsoft NewsZac Builds
5:44
Ultimate Raspberry Pi Build
35K viewsApr 18, 2021
YouTubeSpark3D Acadamy
11:07
Build A Handheld RetroPie Gaming Console No Solder SUPER EASY!
279K viewsFeb 14, 2018
YouTubeETA PRIME
Building a 'homebrew' video game console
Sep 2, 2021
gamedeveloper.com
1:16
DIY Gamer Kit - Make your own video console
109.1K viewsOct 23, 2013
YouTubeTech Will Save Us
24:05
Make a Raspberry Pi Portable Arcade Console (with Retropie)
479.6K viewsAug 8, 2016
YouTubeHacker Shack
17:07
Building the Ultimate Retro Gaming Console | FULL STEP BY STEP TU…
124.3K viewsApr 21, 2023
YouTubeKreesky
8:23
DIY Raspberry Pi Zero Handheld Game Console (Part 2)
1.7M viewsOct 30, 2016
YouTubeGreatScott!
10:59
How To Make GAMING CONSOLE at home|DIY
30.9K viewsApr 27, 2019
YouTubeBuild Creation
1:35
Build your own handheld Game Console!
285 viewsFeb 6, 2019
YouTubeToday's Top Tech
4:08
MAKERbuino: Build Your Very Own Portable Gaming Console
10.4K viewsApr 20, 2017
YouTubeTechAcute
11:56
🎮 DIY Video Game Console at Home Using Arduino | PCBWay
18 views4 months ago
YouTubeEngineering Science & Technology - EST
3:45
Make Your Own Hand-Held Video Game!
534.1K viewsApr 24, 2015
YouTubekipkay
10:46
Making DIY game controller - Arduino gamepad TUTORIAL
106.9K viewsFeb 8, 2021
YouTubeGrzegorz Babiarz
12:33
Create your own retro gaming console
22.8K viewsFeb 5, 2022
YouTubeChris Titus Tech
2:04
DIY Game Console Using Arduino
5.1K viewsAug 22, 2020
YouTubePriti Shah
11:19
AMAZING!! Super Easy DIY ARCADE build / How to?
65.9K viewsSep 30, 2022
YouTubeJig Retro Gamer
12:07
How To Create Your Own Game Console With Steam Deck OS
9.1K viewsApr 22, 2023
YouTubeTronix PCs
32:33
Make Your Own Game Console For $100 With This Mini PC!
578.4K viewsAug 17, 2023
YouTubeChase Brogan
13:49
How to Make a HOMEMADE CONSOLE to Play FORTNITE!
2.6M viewsNov 29, 2018
YouTubeHawkGuruHacker
See more videos
Static thumbnail place holder

Shop diy video game console

Sponsored
About our ads
$16.99
LEPANDA DIY Game Console, Soldering Project Kit, Electronics Solder Practice Kit, Designed For Students, Great STEM Project And Gift
Amazon.com
45
$16.99
LEPANDA DIY Game Console, Soldering Project Kit, Electronics Solder Practice Kit, Designed For Students, Great STEM Project And Gift
Amazon.com
45
$89.99
Kinhank Super Console X Pro With 100000+ Games,Retro Game Consoles TV & Game System In 1, Compatible With 63+ Emulators,2 Wireless Game Controllers
Amazon.com
Free shipping
$89.99
Kinhank Super Console X Pro With 100000+ Games,Retro Game Consoles TV & Game System In 1, Compatible With 63+ Emulators,2 Wireless Game Controllers
Amazon.com
Free shipping
$99.99
Kinhank 2025 Super Console X2 Pro Pre-Installed 65,000+ Classic Games,Retro Game Consoles Compatible With 60+ Emulators,Emuelec 4.6&Android 9.0, 4K
Amazon.com
Free shipping
$99.99
Kinhank 2025 Super Console X2 Pro Pre-Installed 65,000+ Classic Games,Retro Game Consoles Compatible With 60+ Emulators,Emuelec 4.6&Android 9.0, 4K
Amazon.com
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games With Game&TV System,BT 5.0,Rock Chip RK3588S,SATA 3.1,Wireless Controllers
Amazon.com
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games With Game&TV System,BT 5.0,Rock Chip RK3588S,SATA 3.1,Wireless Controllers
Amazon.com
Free shipping
$4.85
$9.48
DIY Pixel Game Console Production Kit DIY 51 Single-Chip Children Game Kit Classic Game Soldering
AliExpress
48% off
$4.85
$9.48
DIY Pixel Game Console Production Kit DIY 51 Single-Chip Children Game Kit Classic Game Soldering
AliExpress
$115.99
Super Console X4 Plus Retro Game Console Pre-Built-In 65000+Games, Retro Game Console With 65+ Emulators,Emuelec 4.6/Android 11.0/Coree,S905x4,4K
Amazon.com
4
Free shipping
$115.99
Super Console X4 Plus Retro Game Console Pre-Built-In 65000+Games, Retro Game Console With 65+ Emulators,Emuelec 4.6/Android 11.0/Coree,S905x4,4K
Amazon.com
4
$769.99
Valve Steam Deck OLED 1TB Handheld Gaming Console
Amazon.com
268
Free shipping
$769.99
Valve Steam Deck OLED 1TB Handheld Gaming Console
Amazon.com
268
$38.99
M15 Retro Game Stick,Retro Gaming Console Built-In 50000+ Games,28 Emulator,4K HDMI Wireless Retro Game Console With Dual 2.4Ghz Wireless
Amazon.com
Free shipping
$38.99
M15 Retro Game Stick,Retro Gaming Console Built-In 50000+ Games,28 Emulator,4K HDMI Wireless Retro Game Console With Dual 2.4Ghz Wireless
Amazon.com
Free shipping
$319.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games,Rock Chip RK3588S,Emulator Console With Game&TV System,8K UHD Output,SATA 3.1,BT
Amazon.com
Free shipping
$319.99
Kinhank Super Console X5 PRO Retro Game Console With 16000+Games,Rock Chip RK3588S,Emulator Console With Game&TV System,8K UHD Output,SATA 3.1,BT
Amazon.com
Free shipping
$29.97
20000+ Games,2025 Retro Home Game Console Wireless Double Handle PSP Arcade Double TV Game Console Plug And Play Video Game Stick, HDMI Output TV
Amazon.com
42
$29.97
20000+ Games,2025 Retro Home Game Console Wireless Double Handle PSP Arcade Double TV Game Console Plug And Play Video Game Stick, HDMI Output TV
Amazon.com
42
$44.99
Retro Game Console Stick Pro, Built-In 23 Emulators 40000+ Classic Video Games With 4K HDMI And Dual 2.4G Wireless Controllers (128GB) Plug
Amazon.com
Free shipping
$44.99
Retro Game Console Stick Pro, Built-In 23 Emulators 40000+ Classic Video Games With 4K HDMI And Dual 2.4G Wireless Controllers (128GB) Plug
Amazon.com
Free shipping
$37.36
$59.78
Picade Console Raspberry Pi Gaming Kit
Saas-forge
37% off
$37.36
$59.78
Picade Console Raspberry Pi Gaming Kit
Saas-forge
$31.21
$47.81
620 Retro Game Console Mini Classic Game System With 2 Classic Controller And Built-In 620 Games, AV Output Plug Play Childhood Mini Classic Console, Old Video Game Console For Kids Adults
philomacar
Free shipping
34% off
$31.21
$47.81
620 Retro Game Console Mini Classic Game System With 2 Classic Controller And Built-In 620 Games, AV Output Plug Play Childhood Mini Classic Console, Old Video Game Console For Kids Adults
philomacar
Free shipping
$23.99
TEFELE Wireless Retro Game Console, Plug-And-Play Retro Video Games, Built-In 20,000+Games And 23 Emulators, Classic Video Games With 4K HDMI Output
Amazon.com
$23.99
TEFELE Wireless Retro Game Console, Plug-And-Play Retro Video Games, Built-In 20,000+Games And 23 Emulators, Classic Video Games With 4K HDMI Output
Amazon.com
$59.80
ELECFREAKS Retro Coding Arcade For Microsoft Makecode DIY Programmable Handheld Game Console Suitable For STEM Education, Kid Game Programming
Amazon.com
64
Free shipping
$59.80
ELECFREAKS Retro Coding Arcade For Microsoft Makecode DIY Programmable Handheld Game Console Suitable For STEM Education, Kid Game Programming
Amazon.com
64
$329.99
Kinhank Super Console X5 PRO Retro Gaming Console With 16000+Games,Android 12.0 OS,Emulator Console,8K UHD Output,WI-FI 6,BT 5.0,SATA 3.1,AV1,Rock
Amazon.com
48
Free shipping
$329.99
Kinhank Super Console X5 PRO Retro Gaming Console With 16000+Games,Android 12.0 OS,Emulator Console,8K UHD Output,WI-FI 6,BT 5.0,SATA 3.1,AV1,Rock
Amazon.com
48
$31.76
$48.50
821 Classic Retro Game Console, Classic Retro Game System Built-In 821 Games, Support AV And HDMI Output. Plug And Play, 2 NES Controllers, Is The Perfect Gift.
philomacar
Free shipping
34% off
$31.76
$48.50
821 Classic Retro Game Console, Classic Retro Game System Built-In 821 Games, Support AV And HDMI Output. Plug And Play, 2 NES Controllers, Is The Perfect Gift.
philomacar
Free shipping
$58.97
R36MAX Upgraded Retro Gaming Console,4.0 Inch IPS Screen,Linux System With Professional RK3326 Gaming Chip, Retro Handheld Game Console Built-In
Amazon.com
Free shipping
$58.97
R36MAX Upgraded Retro Gaming Console,4.0 Inch IPS Screen,Linux System With Professional RK3326 Gaming Chip, Retro Handheld Game Console Built-In
Amazon.com
Free shipping