Recycle metal lids from jam jars, olive jars or others and use them to make sailboats that really float!
Then, watch magnetism in action as you pull your boat forward using a magnet. Have a race to see which sailboat is the fastest!
PDF file (6 pages)
The downloadable document contains the list of materials and illustrated instructions.
This is a free document.
You can buy self-adhesive neodymium magnets here.
Note: Keep these small objects away from young children, who might be tempted to put them in their mouth!