You can build your son or daughter a plywood canoe in a weekend. The simplest canoes are made of just 3 pieces of plywood: the two sides, and the base. More complex shapes can be created, but these instructions are for a simple canoe.
Step 1: Cut Out Two Strips
Cut out two strips of plywood 10 inches in diameter (25.4cm)drill a series of 4 holes through both, at each end. Use small cable ties to fasten them together.