Magnetic.  Comes with a powerful magnet to help you create incredible effects.  Charge the putty with the magnet and watch as the iridescent blue crest moves toward it in an invisible magnetic field.  You’ll even see ripples on the surface just like the sea.

Never dries out.  Made in USA.

Ages 8+.

Warning: Contains strong magnet. Swallowed magnetics can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnet(s) are swallowed or inhaled.