light polymer clay 1.Vivid color,bouncing like ball 2.Good elastic, ... .Air-dry putty 3.Conforms to EN71 and ASTM D4236 Super light Polymer clay-jumpping clay1.Air dry in 24 hours,no ... in oven.Much more safe for kids .2.It's super light,bouncing like a ball.3. Vivid color,and can ... can be added by you! componentqtyspec.Jumping putty66gglues25mlplastic mould tools2 Super light &bouncing polymer clay