Out of Stock
4M MAGIC NAIL 00-03312
Can you balance 10 nails on the head of a single nail? It sounds like magic, but it's pure science! This amazing brain-teaser kit challenges you to figure out the secret to this classic physics puzzle. Arrange the nails in just the right way to find the center of gravity and create a mind-boggling, perfectly balanced sculpture. It's a fantastic way to amaze your friends and family while learning a cool scientific principle.
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