Handmade DIY Electronic Science Experiment Set Students Physical Puzzle

Product information:
 

Material: Plastic/plastic
Ability development: Use your hands and your brain
3C Configuration category: Other toys under 14 years old
Applicable age: junior (7-14 years old)

Size Information:

Solar fan size: length: 90mm, width: 75mm, height: 130mm
Size of hand operated generator: length: 95mm, width: 110mm, height: 130mm
Self made simple motor size: length: 90mm, width: 75mm, height: 53mm
Music doorbell size: length: 95mm, width: 75mm, height: 40mm

Packing list:

Science experiment*6/*9/*12pcs

Product picture: