Rainbow Worms
Enjoy polymer science and create instant rainbow worms.
Hands-on chemistry fun creating slimy, gooey colourful polymer worms in an instant.
You can make fat worms, skinny worms, short worms, long worms, straight worms, zigzag worms, worm eggs, colour-changing worms, or even a worm ring or bracelet.
Squeeze sodium alginate from the syringe into a solution of calcium chloride, and you'll get instant gel worms. You won't believe your eyes as the chemicals change into a rubbery solid.
Natures polymer, sodium alginate is extracted from seaweed and has many uses including in the manufacture of ice cream. The ancient Chinese and the Romans used brown seaweed for medical and cosmetic purposes.
Age: 8+
What you get
Rainbow Worms by Science to the Max. Kit includes 120ml sodium alginate, 10g calcium chloride, 3 cups, 3 fizzy colour tablets, syringe and easy to follow instructions.
Teach
- Chemistry
- Polymers and gels
- Materials
- Matter
WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.
Length (cm) | 13 |
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Width (cm) | 6 |
Height (cm) | 22 |
Age Group | 7-8 Years, 9-10 Years, 11-12 Years |