Crazy Aaron's Thinking Putty Super Magnetics Strange Attractor, Tidal Wave, Quicksilver & Reactive Razz Gift Set Bundle - 4 Pack Made in the USA of non-toxic silicone, never dries out & is easily removed from solid surfaces Gift Set of 4 Super Magnetic Tins including Strange Attractor, Tidal Wave, Quicksilver & Reactive Razz! NEW Super Magnetic Thinking Putty has even better unique and mind-blowing awesome magnetic properties than ever before! Amaze your friends with what you can do