Bigger than the original, award-winning Ball of Whacks, it has 192 rare earth magnets inside so it looks and feels hefty in your hand! The 36 magnetic design pieces include two entirely new pyramid-shaped elements. There are 24 Whack pieces, six Half-Whack pieces, and six flat Whack pieces. This complex structure presents a greater challenge in reconstructing the Ball shape. It also opens up far more hands-on creative options as you design your own shapes.
Includes 96-page Guidebook
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Use this kit to introduce electromagnetic principles in the classroom setting!
Ever wonder how to survive in the wilderness? These cards can help!
A massive mounted set of 100 rocks and minerals found in the US,
This superb chemistry set features 350 mind-boggling experiments!
Learn Chemistry While Creating Sweet Treats
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