You have been given three shapes made out of sponge: a sphere, a cylinder and a cone. Your challenge is to find out how to cut them to make different shapes for printing.
If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?
A description of how to make the five Platonic solids out of paper.
Could you use any other objects to help you?
Can you estimate how tall the tree is?