Ever wondered how concrete pavers are made and how sometimes they manage to look so random and yet fit perfectly together like pieces of a puzzle? It’s quite simple actually. The secret is a concrete ...

Make a mould First you need to make a mould for your canoe -- a positive mould where the canoe is moulded over the outside, not in a hollow. Glue the foam cubes together to create a 1m x 1m x 4m block ...