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Scalpel posts

Rolling Race Activity

by David, 27 October 2022 | 0 comments

Two plasticene rolls one solid and one hollow

Two tubes, both the same weight and the same size, and yet slightly different. Can you guess which one will win the rolling race? Safety: This activity uses a sharp scalpel or scissors to cut a cardboard tube. Ask an adult to help.

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Air cannon Activity

by David, 22 August 2019 | 0 comments

Cup with plastic wrap and ticket targets in the background.

Want to reach out and touch something with a puff of air? This tiny air cannon shoots vortexes of air that can be felt from metres away!

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