21-in-1 Robotics Kit DIY Electronic Sensor STEM Toy Jeff Multi-Room Coverage: Three detectors provide

Multi-Room Coverage: Three detectors provide wide protection across bedrooms

Cooling: Air-cooled

Network: 2× 2

or OS—ideal for DIY users who want total control over their system build

Polycentric hinges for effective ligament support

21-in-1 Robotics Kit DIY Electronic Sensor STEM Toy Jeff Multi-Room Coverage: Three detectors provideBring coding and robotics to life with this 21 in 1 DIY STEM kit. Designed for curious kids and beginners, its a hands on way to learn electronics, sensors, and programming while having fun building multiple robot models. Key Features 21 in 1 DIY robotics kit for creative building and learning 300+ building block parts with 20 model designs 10 electronic sensor modules for interactive experiments Compatible with MakeCode and Python programming