TinyCircuits

Thumby Programmable Game Console Keychain – Retro Gaming Fun Mini-Console, STEM Learning, USB Rechargeable, 5 Preloaded Games (Gray)

Name: Thumby Programmable Game Console Keychain – Retro Gaming Fun Mini-Console, STEM Learning, USB Rechargeable, 5 Preloaded Games (Gray)
Brand: TinyCircuits
SKU: B0B4Z915Q9
Price: 30.52 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-23

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$30.52

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🛒 See live eBay price Also on Amazon — View Current Price → Compare to similar retro consoles

*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.

Bottom line: The Thumby Programmable Game Console Keychain – Retro Gaming Fun Mini-Console, STEM Learning, USB Rechargeable, 5 Preloaded Games (Gray) is a specs-and-price decision rather than a crowd-consensus one in the retro consoles category, priced around $30.52. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Backed by TinyCircuits's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

The Thumby from TinyCircuits shrinks a full game console down to a keychain fob, and it earns a 4.6/5 rating across 361 reviews for good reason. Its monochrome OLED screen and six tactile buttons ship with five preloaded retro games, so you get playable nostalgia the moment you unbox it. What sets this mini-console apart from novelty keychains is the programming side: you write MicroPython in a free browser-based editor, with no software to install, which makes the Thumby a genuine STEM learning tool for classrooms and self-taught beginners alike. Load your own games, animations, or Animator…

SpecPicks Verdict

SpecPicks scored Thumby Programmable Game Console Keychain – Retro Gaming Fun… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro consoles category. TinyCircuits's retro consoles lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro consoles of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Frequently Asked Questions

How long does the Thumby battery last?

The 40 mAh Li-Po battery delivers around 2 hours of gameplay per charge. It recharges with any micro-USB cable, so no proprietary charger is required.

Do I need to know how to code to use it?

No. Five retro games come preloaded and play immediately. Coding is optional: when you want it, you write MicroPython in TinyCircuits' free browser editor with nothing to install.

Can two people play together?

Yes. Two Thumby consoles link for shared gameplay like Pong and Tennis, but the link cable is sold separately and is not included with a single console.

Can I add more games than the 5 it ships with?

Yes. You upload new games, Animator drawings, and animations over USB, and the Thumby community shares additional titles you can load onto the device.

Is the Thumby durable enough for a keychain?

It uses a polycarbonate housing designed for everyday keyring carry. Reviewers rate it 4.6/5 across 361 ratings; check the product listing for current warranty terms.

Key Features

PLAY ANYTIME, ANYWHERE – Ultra‑mini keychain game console with 6 tactile controls and OLED display ready with 5 built‑in retro games; portable nostalgia in your pocket.
EASY PROGRAMMING – Learn coding using MicroPython via free browser editor; no software install required, perfect for beginners and educators.
ADD, UPLOAD & SHARE – Expand the fun: load new games, animator drawings, or animations via USB; join the vibrant Thumby community.
MULTIPLAYER FUN WITH FRIENDS – Link two Thumby consoles (cable sold separately) for simple, shared gameplay like Pong or Tennis.
RECHARGEABLE & BUILT TO LAST – Includes a 40 mAh Li‑Po battery for around 2 h of gameplay; charges with any micro‑USB cable, durable polycarbonate build.

Full Specifications

Size	tiny
Brand	TinyCircuits
Color	Grey, Clear, Pink, Teal
Theme	Retro
Platform	Not Machine Specific
Form Factor	Handheld
Screen Size	1.2 inches
Connectivity	USB
Display Type	OLED
Model Number	ASK4003-A
Power Source	Battery Powered
Material Type	Plastic
Item Type Name	Playable, Programmable Keychain
Operation Mode	Manual
Controller Type	Button Control
Item Dimensions	0.7 x 0.3 x 1.2 inches
Number of Items	1
Number of Players	Multiplayer
Hardware Interface	USB
Battery Description	Lithium-Ion Polymer

Ready to buy?

Thumby Programmable Game Console Keychain – Retro Gaming Fun Mini-Console, STEM Learning, USB Rechargeable, 5 Preloaded Games (Gray) is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.