Diving Submarine

Original 1950s cereal box prize! Just fill the top chamber with a pinch of baking powder (not baking soda) and shake the mini sub under water...
In stock
SKU
MAS-00050
$8.50 Incl. GST
or 4 interest-free payments of $2.13
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Original 1950s cereal box prize! Just fill the top chamber with a pinch of baking powder (not baking soda) and shake the mini sub under water. A chemical reaction makes the sub dive and automatically surface. Give the water a gentle stir and the sub will cruise in circles. It really is like magic to young children.

Age: 6 +

What you get

Plastic mini sub, 11.5cm long, in a blister pack. Sub is made of plastic.

How does it work?

The sub is heavier (more dense) than water and sinks to the bottom, as water reacts with the baking powder carbon dioxide is formed, making the sub buoyant enough to rise to the surface. When the sub reaches the top, it turns on its side, gives a burp (bubble) to release some of the gas and then sinks again. This process is repeated on average 10 times. Note, baking powder is baking soda with an acidic ingredient pre-mixed, usually cream of tartar. This is necessary for the resultant chemical reaction.

Teach

  • Chemical reactions
  • Floating and sinking
  • Buoyancy

FAQ

The package looks like it has come straight from the 1950s with easy to read instructions on the back.

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 17
Width (cm) 14
Height (cm) 1
UPC No
Age Group 3-4 Years, 5-6 Years, 7-8 Years
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