LED Music Light Assembly Kit Plastic Metal Components for Teaching Aids

Audio Reactive LED Soldering Kit for STEM Teaching and Hands On Learning

Efficient 2V Solar Panel with High Conversion Efficiency for Teaching Purposes

Portable USB Solar Panel Teaching Aid for Outdoor Solar Energy Education Demo

Monocrystalline Solar Panel Teaching Aid 157mm x 94mm for Science Class

Portable USB Solar Panel Teaching Aid for Outdoor Solar Energy Education Demo

Robot Car Kit for Teaching Logic Control and Real-Time Track Adaptation