Swell Polymer Rainbow Spheres- Science of Polymers 11yr Main Materials:Paper Board

Main Materials:Paper Board

This Music Box Kit will have the musician in your life giddy with childhood excitement

this headband is the perfect hair accessory for babies up to young toddlers to keep hair out of their faces

Easy click & close lid and you can add a Suzy stainless steel bottle to this lunchbox

8 Hair clips in different festive designs

Swell Polymer Rainbow Spheres- Science of Polymers 11yr Main Materials:Paper BoardThese curious growing spheres are made from a chemical known as a super absorbent polymer (or SAP). SAPs are amazing materials. They are long chains of molecules that join together in a net like pattern. Water is pulled in through the holes of the net. then the molecule chains soak up tremendous amounts of water. When the molecules absorb water, they swell and soften and transform into a hydrogel water bead. Swell! All in a packed in a test tube and