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Two Scratch Bits and their cases.
Early Concept Design.

The Scratch Bit will be a Scratch Extension in Scratch 3.0. It is a tiny, circle-shaped device with 4 lights and a button.[1] They were first previewed at Scratch Day @ MIT 2018.[citation needed]


The Scratch Bit has 13 blocks, 6 hat, 3 boolean and 4 reporters.[2] They are pictured below:

Block image


The Scratch Bit has the following features:

  • Tilt Sensor: Changes the tilt values.
  • Light Sensor: Changes the light sensor value depending on the amount of light it detects.
  • Button: Can be pressed to control the button pressed value (true or false).
  • Accelerometer: Changes spin speed, movement speed and triggers jump block.

Example Uses

See this video


In the photo at the top of the page, there are cases. Some cases have clips on them, while others have a rubber thing that lets you use the Scratch Bit like a joystick.[problematic]


The blocks can be previewed online here. The original concept and blocks can be viewed here.

Buying a Scratch Bit

Note Note: Ask a parent/guardian before buying a Scratch Bit.

The Scratch Bit is not avaliable for sale yet. As of May 2018, it will become avaliable around the release of Scratch 3.0, January 2019.[3] It is estimated to cost about $30 (USD).[citation needed]


  1. File:Scratchbit.png

See Also