Mad Science Grow Your Own Gel Balls -
THE PHILADELPHIA GROUP-Amazing Science Kits: Marble Laboratory. Place these tiny colored pebbles in water and in just while you will have your own squishy; slimy; bouncy marbles! This kit contains over 100 multi-colored marble pebbles; one test tube; and an instruction/ex periment sheet. Recommended for ages 8 and up. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. This set contains chemicals that may be harmful if misused. Adult supervision required. Imported.
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Regular Price:$4.99 per EA