Jelly Marbles Kit

Clear Spheres

(2 customer reviews)
  • Superabsorbent giant growing polymer beads
  • Absorb 150 times their weight in water!
  • Learn about polymers, color mixing, and the refraction of light
  • Superabsorbent clear spheres come with all you need for a colorful collection
  • Watch as they vanish before your eyes in water as they grow