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Technology

BoutBolt

Understand how things work, and make them yourself.

OpenAges 10 to 16Free to start, then €4 a month

What it is

Bout is about levers, gears, circuits, materials and the design process. Every topic comes with a safe build task using cardboard, string or a battery, for class or at home.

What is there

  • Levers, gears and circuits to play with
  • A safe build task for every topic
  • From design to recycling

How far along it is

Open

Open and ready to use.

What it costs

You manage Kaft Plus on the Kaft website.

€4 a month or €36 a year

The learning path and the first 3 topics are always free.

Or every app together in the Kaft package: €8 a month or €69 a year, €471 a year less than everything separately.

All prices

Where Bout meets other subjects

No connections worked out yet. They will follow as the app takes shape.

Spotted a mistake?

A few words are enough. We will check and fix it.

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Choose what helps. Your choice is kept on this device.

Text size

Prefer your device’s own settings (zoom, screen reader, dark mode)? They work here too.