The amazing magnetic toy you can't put down! Imagine a Rubik's Cube that actually makes you smarter; an Erector Set that never stops erecting; a Hula Hoop you don't look ridiculous playing with; Silly Putty that isn't silly; cram it all in a jar, turn the fun up to 11, and you've got BuckyBalls! Each set contains 216 small, powerful rare earth magnets that can be shaped, molded, torn apart and snapped together in UNLIMITED WAYS. Make sculptures, puzzles, patterns, shapes, stick stuff to the fridge, invent a new game trying to find something more useful is useless. For ages 13+. PLEASE NOTE: This product contains many very small, powerful magnets. Because of the risk of ingestion of these magnets and their subsequent dangers, we highly discourage their use in households with small children. Adult supervision is recommended.