It is possible to cut any straight-edge shape out of a piece of paper with a single cut. Provided you fold the paper the correct way first. These instructions show how to make a one-cut bat. There is an additional challenge to find the folding pattern for a different bat.
Age groups relevant for by Key Stage:
Possible duration of tasks:
30 mins - 1 hour,
1 hour – 2 hours
A4 paper (can be black), scissors