Product Number: SB51119
In Stock (Ships within 1-2 business days)
The law of conservation of energy states that energy can be neither created nor destroyed, only transformed. You can watch that law in action as the red ball skyrockets up to five times higher than the height it’s dropped from! Includes safety goggles, extra balls, and teacher’s guide.
|Brand : American Scientific|
|Item Weight : 0.63|