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  • Swell Polymer Sperm Whale (SPSPW)
  • Swell Polymer Sperm Whale (SPSPW)
  • Swell Polymer Sperm Whale (SPSPW)

Swell Polymer Sperm Whale - Grow in Water Toy

RRP: $10.00 (You save $0.05)
$9.95
SKU:
SPSPW
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Condition:
New
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Product Description

This accurate model of a sperm whale will grow many times its size when submerged in water. 

Grow in water toys are made of special super absorbent polymers similar to the non-toxic chemicals used in baby diapers.

 To conduct some fun science experiments, change a variable when you are growing your critters, ie.

  • tap water vs. distilled water
  • what happens if you use salt water
  • water temperature
  • how long does the water take to evaporate – do temperature and humidity affect it?
  • Recommended for ages : 8 to 13+.

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