SUPERball 超球
一般來說，自由落下的彈性球在地面反彈後只能接近其起初高度．而自由落下的超球卻能反彈至其起初高度的四至五倍．
Superball experiment require one big and one small ball, its' size are 4.3cm and 2.5cm respectively. Place small ball over the big one and drop them together, the small ball will rebound very very high. This is a simple apparatus is illustrate the energy conversation and energy change concept.
參考資料：G. Stroink Superball Problem . The PhysicTeacher Vol. 27 No.7 P46, 1983
Item no : JHL 636…… (one big & 6 small balls)