Science and technology small production DIY motor machine crawler robot small invention scientific experiment manual material pa
(No reviews yet)
Write a Review
Frequently bought together:
Related Products
Related Products
Creative DIY small lamp technology small production small invention primary school children's manual material science experiment
$1,767.37
Experimental principle: This is a typical switch circuit. The battery provides power. The switch controls the on/off of the current. When the switch is turned on, the switch current flows...
Electric gliding aircraft small production DIY technology invention student science experiment manual material science model
$2,209.21
After the electric glider is powered on, it can glide on the ground. It can't fly
