Swell Polymers Multi-Colored Spheres
Regular price
$10.00
/
Details
These super absorbent polymer spheres (or SAPs) are amazing materials! When the molecules absorb water, they swell and soften, growing up to 300 times their size and transforming into a hydrogel.
Recommended for ages 8+
Dimensions: 1.4" L x 4.5" H
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