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shell.build hardware kit

Build a real robot. In a weekend.

Snap together a rover from click-together parts, wire it up in the browser, and bring it to life. No soldering, no toolchain, no guesswork.

Free shipping on pre-orders · Ships March 2027 · 30-day returns

The assembled shell.build Rover: a two-wheeled robot with an orange-hubbed wheel, a controller module and an ultrasonic sensor
  • 1,200+ classrooms
  • Simulator included
  • No soldering required
  • Works on Chromebooks
  • Open-source firmware

In the box

Everything you need to roll, click together and code.

Every part is a self-contained module with keyed connectors, so the kit goes together without a single wire to strip.

The kit laid out: chassis plate, two wheels, two geared motors, the controller module, sensors and keyed cables
  • Device moduleESP32-C6 · Wi-Fi 6 + BLE1×
  • Geared motor module20 rad/s · 0.12 N·m stall2×
  • 60 mm wheelRubber tyre · moulded hub2×
  • Ultrasonic sensor0.02 – 2 m range1×
  • RGB LED module16.7 M colours4×
  • Chassis plate120 × 100 mm PETG1×
  • Beams and brackets24 mm dock pitch26×
  • Ball caster mount20 mm captive ball1×

The final build

It becomes this.

The Rover drives, senses obstacles and reacts to its surroundings. The same program runs in the browser simulator and on the real thing.

2
geared motors
2 m
sensor range
0
soldered joints
390 g
all-up mass
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The shell.build Rover lit from behind on a dark studio surface

Tech specs

Small board. Serious hardware.

The same controller runs the browser simulator and the kit you hold, so nothing has to be rewritten between them.

Controller
ESP32-C6 · 160 MHz RISC-V
Wireless
Wi-Fi 6 + Bluetooth 5 LE
Firmware
Open-source shell.build runtime
Motor drive
2 channels · signed ±1.0
Stall torque
0.12 N·m per motor
Top wheel speed
20 rad/s (~0.6 m/s)
Distance sensor
0.02 – 2 m · ultrasonic
Power
USB-C 5 V or 2× AA pack
Module ports
4 keyed ports (A–D)
Programming
TypeScript in the browser

Pricing

One kit, three ways to start.

Reserve today at the waitlist price. You are only charged when your kit ships.

Starter

$79one board, one motor

A gentle first build: blink, spin and sense.

  • Device module
  • 1 geared motor + wheel
  • RGB LED + ultrasonic sensor
  • Beams, brackets and cables
  • Lifetime simulator access
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Rover Kit

POPULAR

$129the full two-wheel rover

Everything needed to build the robot above.

  • Everything in Starter
  • Second motor + wheel
  • Chassis plate + ball caster
  • Printed build guide
  • Priority waitlist placement
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Classroom 5-pack

$549five rovers, one box

Share a class without sharing a queue.

  • 5× Rover Kit
  • Teacher lesson pack
  • Spare parts tray
  • Priority support
  • Invoice billing
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Be first to build the Rover.

Join the waitlist and we will email you the moment kits are available. No deposit, no spam.

1,214 builders already in line