Super easy and fun water science experiment! All you need is a roll of waxed paper, some drinking straws, water, and a spoon or water dropper. See the site to get suggestions for how this experiment demonstrates surface tension and the bonding of water mo
Marble Races with a cheap pool noodle (occupies the kids for hours.) Did this, but instead of cutting the pool noodle, the marble is small enough to fit inside the full noodle to roll down. Then can use the noodle for other things too!