SHIPPING IS ALWAYS FREE!
Their curiosity will drive them to try this over and over… but it only works for you!
These might be successfully integrated into a lesson or unit on magnetism or even static electricity.
Show two ‘brass’ rings, rub them together, then touch one below the other… they stick together. You blow on the lower ring and it spins freely! Drop the rings into your friend’s hand and she cannot make them stick together!
