This mesmerising putty has tones of purple, blue, green and copper that shift colour before your eyes. Twist up a handful, lay it on the table and watch as it goes back to its original shape as the kaleidocope of colours shift in the light. You can do almost anything with this putty and it never dries out - stretch it, snap it, tear it, even make it into a ball and bounce it. Join the putty craze!