Diameter of ball: 3 mm each ball
Made of 216pcs strong magnetic NdFeB balls (NdFeB is a permanent-magnet technology)
Magnetic pull: 3.2 - 4.4 lbs
Can make any image as long as you can think it.
Can be used an educational tool for children; Also a good gift for freind
Warning: only for 12+ years old
1x 216pcs 3 mm neocube balls