Make a Boat

Can a boat be built from anything? And how come boats made of metal can float when metal really drops?
Let the children carpenter, paste, screw and build their boat to their liking and taste, and then let them try the boat in a suitable tub or pool to see if it floats. If it does not flow, you may continue to work with the construction.
Ebba has decided to build a boat using a picture frame she found in the workshop. On it she tapes a piece of paper and then the boat is ready. Sure, Ebba’s boat is floating! Sure the tape dissolves in the water fairly quickly, but the sheer joy of designing is worth taking advantage of.