An exciting, interactive phenomenon that presents a fun challenge for your students!
You place a hoop on top of any bottle. On top of the hoop is perched a bean. The challenge is to get the bean to fall into the bottle. The bean falls into the bottle through a counterintuitive and amazing approach. Every student will want to try this one for themselves. Complete with supply of beans, hoop, and secret.
Easy to do, once you know the secret!