light polymer clay 1.Vivid color,bouncing like ball 2.Good elastic,no mess 3.Air-dry putty 3.Conforms to EN71 and ASTM D4236 Super light Polymer clay-jumpping clay1.Air dry in 24 hours,no need to bake in oven.Much more safe for kids .2.It's super light,bouncing like a ball.3. Vivid color,and can be mixed for new one.4.Not sticky,no mess,lovely toys for kids and Mom.Bring you fun and surprise ...