The Beam Splitter Dichroic Glass X-Cube is a 0.75 inch square glass cube made of several lab-grade glass prisms with special optical filtering coatings. Catch the light on it just right, and it fills with a vibrant rainbow of color!. NC-14651
Have fun with this utterly addictive Ferrofluid Magnetic Display Bottle. Ferrofluid is the astonishing liquid that becomes highly magnetized in the presence of magnetic field. With Ferrofluid in a bottle and the supplied neodymium magnets, you can easily play with this spectacular substance. NC-14699
This hefty glass cube (2" x 2" x 2") features transparent faces of cyan, magenta, and yellow — the primary colors of the CMY color model used by designers worldwide. NC-14702
Mash it like putty or build like a pro; the secret of Speks is the size of the magnet. Each Spek is 2.5mm making it moldable, buildable, and compliant with all safety standards. Ages 14+. NC-14979
