By David Shaw, 27 October 2022
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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By David Shaw, 6 May 2014
We’re going to see how many pencils we can put together so that each pencil touches all the others. Try coming up with your own solutions, and then follow these instructions to create some famous patterns.