Features: 1. It will change color when you put it into a hot water 2. Change color with temperature over 33 degree as you play the dough and rub them for a long time 3. Shape into many characters and styles,make your dough living and alive,Great elasticity take a few moment back to smooth surface 4. It is a perfect gift for friends,colleague,children and loved ones. 5. Ease the pressure after work,relax yourself,Can keep you focused,alleviate obsessive-compulsive disorder,manic disorder, ADHD Reliever Specification: Material: mud Weight: 80g Notice: 1.Due to the different monitor and light effect, the actual color may be a slightly different from the picture color. 2.Please allow 1-3cm differs due to manual measurement. includes: 1 x Thermochromic Plasticine