Mosaic Geometric Self-Adhesive Foam Shapes. Add these colorful foam shapes to all your craft projects! The perfect addition to your craft supplies, these self-adhesive foam hands are ready to pitch in to help with your projects! Fun to use for crafts for kids and adults, the only thing you need is a blank canvas and some creative spirit! (1000 pcs. per unit) 1 0.5" X 2" WARNING: CHOKING HAZARD Small parts. Not for children under 3 years.