CircuitMess

Bit

Learn electronics and programming with this must-have DIY retro console

FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

Unlock secret games for Bit

Bob

Bob

Create a robot that lights up and unlock a new game for your Bit

$49.00
Marv

Marv

Build Marv, learn pushbuttons & counters, plus unlock a new Bit game

$49.00
Resistron

Resistron

Build circuits, learn about LEDs, and unlock a unique Bit game

$49.00
Hertz

Hertz

Hertz teaches sound & oscillation, and unlocks a unique Bit game

$49.00
Robby

Robby

Robby teaches sensors & electronics, plus unlocks a game for your Bit

$49.00
Buttons

Buttons

Explore electronics & create sound, plus unlock a unique game for Bit

$49.00
Mr. Bee

Mr. Bee

Explore vibration motors, build a robot bee, and unlock a new Bit game

$49.00
Artemis

Artemis

Learn about decade counters & potentiometers, plus get a Bit game

$49.00
Capacitron

Capacitron

Learn about capacitors & LEDs, and unlock a unique game for Bit

$49.00
CircuitMess Bit 2.0 on a transparent background

Get the better version

Bit 2.0

Keep the fun, ditch the hassle! The all-new Bit 2.0 is a complete upgrade, letting you build your own retro handheld console faster and easier. Get all the coding fun of the original, but with an upgraded build, at a lower price.

$89.00
This item will ship after Dec 15th 2025

Meet Bit

Build your own retro gaming device

Enter the world of electronics and coding! This DIY kit lets you assemble a handheld gaming device and unlock a world of creative possibilities. No prior experience needed.

Play, code & create games

Bit comes pre-loaded with games, but the real fun begins when you start coding your own. Code your Bit in Python using our programming interface CircuitBlocks.

Father and son playing with CircuitMess Bit

Learn electronics & programming

Building Bit is a hands-on lesson in electronics. You'll learn about different components, how they work together, and the basics of programming in an engaging way.

Collect Wacky Robots

Expand your Bit game library by collecting Wacky Robots. Each Robot unlocks a unique, exclusive game on your Bit console.

Learn new STEM skills

What's in the box?

CircuitMess Bit components
1

PCB

2

Acrylic casings

3

Plastic bolts

4

USB–C cable

5

Lanyard

6

Metal screws

7

Plastic standoffs

8

Plastic caps for pushbuttons

9

Screwdriver

10

Battery holder

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Build & control your own robot spider, plus unlock a unique Bit game

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Wacky Adventure Bundle

Wacky Adventure Bundle

Includes retro console Bit, 4 Wacky Robots, and 7 unique games

Number of projectsx5
$329.00
$445.00-26%