|
DIY jumping cards
|
 |
DIY jumping card is a simple activity for P6 kids to DIY to experience elastic potential energy. Variables could be length of rubber band, thickness of rubber band, number of rubber bands, size of card, position of notches, etc. Each used card is sold at $0.25. Order more than 500 pcs please contact us for quantity discount. (click picture for video)
|
S$0.50
|