$2.50 incl GST & delivery
Create two polymer bouncing balls by adding the polymer crystals to the plastic mould and immersing in water.
The long polymer molecular chains are interlinked by hydrogen bonds and form an elastic solid.
Included: 2 PVA polymer bags, 1 mould, 1 instruction sheet
Age: 5 to 12 years
Minimum order: 12 (packs of 12) FREE shipping