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  • Swell Polymer Humpback Whale (SPHBW)
  • Swell Polymer Humpback Whale (SPHBW)
  • Swell Polymer Humpback Whale (SPHBW)

Swell Polymer Humpback Whale - Grow in Water Toy

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

This amazingly detailed humpback whale grows and grows when submerged in water!

This accurate model of a humpback whale will grow many times its size when submerged in water. Includes interesting whale facts and instructions.

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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