This kit contains various sizes of ultra-strong neodymium N40 magnets.
Neodymium rare-earth magnets are the strongest magnets known to man!
Perfect of playing around with and making up some magic tricks. They're excellent for telekenesis effects, stopping watches etc.

BEWARE: These magnets are very, very strong! DO NOT put them near televisions, people with a pace-maker etc.

Contains:
One 3/4" x 1/4" disc
One 5/8" x 1/8" disc
One 10mm x 3mm disc
Two 6mm x 3mm disc
Four 1/8" x 1/16" disc
Four 1/16" cubes