Tub Sub
10.90 Add to cart

Tub Sub


Why do things sink or float? Tub Sub knows.
As a boat, it floats. As a sub, it sinks.
For a floating boat, push the flexible blue part down.
For a sinking sub, pull the blue part up and fill the bottom with water. Only the periscope (also a handle) will stay above the water.
Encourage thinking and reasoning

1 Tub Sub

πŸ§’ Age 12m+
πŸ—οΈ STEM product
⭐ Encompassing science, technology, engineering and mathematics, STEM learning activities foster logic, problem-solving and experimentation.

In stock

Free Malta & Gozo delivery on all orders over €20

  • 15 days easy returns
  • Next day delivery for Central and South Areas
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