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Open library of teaching aids

A digital library of didactic tools and teaching aids. Each one has instructions, a materials list and the files to make it. Everything is free to use, change and share.

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ESP32 microcontroller on a breadboard with a red LED, a yellow button and a display reading 243 ms.
ESP32 reaction-time game
Physics, Computer science · 10–14 years · ⏱ 2h
Medium
Assembled DNA double helix model on a stand with coloured base pairs, loose pieces lying next to it.
3D-printed DNA model kit
Biology · 15–19 years · ⏱ 6h printing + 1h assembly
Medium
Six wooden discs on a table: one whole disc and discs split into 2, 3, 4, 6 and 8 coloured pieces.
Laser-cut fraction circles
Math · 6–9 years · ⏱ 1h
Easy

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