Ferrofluid Mini Display RED accessory but kids absolutely LOVE it

but kids absolutely LOVE it

Add on an ultra bright LED and extra handheld magnet to the SPIKE for even more fun

Blue and Black ferrofluid

Featuring a blue/purple color-shifting ferrofluid and a bright neon green center screw

Ferrofluid Mini Display RED accessory but kids absolutely LOVE itThe Ferrofluid Mini Display is our most affordable display and contains 2ml of the highest quality ferrofluid available. Permanently sealed in a borosilicate glass container and constructed from the same high quality materials as our other displays, the mini display makes for a beautiful addition to your desk or the ultimate gift for a science lover. Contains 2ml of the highest quality RED ferrofluid available 30ml total volume, tube size 1. 25" x 3.