a large cork stopper
Use only half of a cork stopper for each floater. Ask Mother or Dad to cut the cork stopper in half. You can make two floating toys out of one cork.
Lay one cork half on its flat side. In the center of the rounded side, cut a small slit. This slit will hold the cardboard cutout.
Draw a duck on cardboard with a small tab at the bottom. The tab will fit in the slit of the cork.
Color the duck on both sides with wax crayons to waterproof it. Cut it out and stick the tab in the slit. Stick a thumbtack on the cork to weight it.
You can make all kinds of cork floaters. The other half of the cork is waiting.