Once you've got the outline of one side of the caravan,  use it as a template,  and draw round it on the other piece of cardboard so you'll have the other side of the caravan.
Once you've got the outline of one side of the caravan,  use it as a template,  and draw round it on the other piece of cardboard so you'll have the other side of the caravan.
Make a Rubber Band Guitar
Make a Chicken Harness
Make a Rubber Band Car
Make a Cardboard Model Caravan