LEGO WeDo 2.0 Community | My grandson and I built the "Alarm Device" project following the instructions at https://education.lego.com/en-us/product-resources/wedo-2/downloads/b...
Technic Parts Compatible With Wedo2.0 Educational Functions Diy Parts 45300 Wedo 2.0 Set Building Blocks Diy Toys Gifts - Blocks - AliExpress