North/South Magnet Marbles (Red/Blue), Set of 100

Color-coded magnet marbles (poles: red north and blue south) make it easy to see how magnetic attraction and repulsion cause motion! Perfect for science and engineering exploration and investigations! Measure 0.63" diameter each. Includes 100 packaged in a clear bag with label.

Key Features :

i : Perfect for science and engineering exploration and investigations
ii : Measure 0.63" diameter each
iii : Includes 100 packaged in a clear bag with label
iv : Small parts warning