Balloon Rockets: What you need: Piece of yarn (or string) – cut to about 6 feet, thread on a straw and tie string to two chairs. Put tape on straw to attach a Balloon that has been blown up but has not been tied. Pull attached balloon to one side and let go! Experiment shows action and reaction. Kids will want to do over and over so be prepared to blow up a few balloons and have extra tape on hand. Link leads to step by step instructions with a photo tutorial.
Have you seen these cool little Orbeez balls? After they soak, they become plump little colorful beads, perfect for filling other stuff with. Crafter Karina Garcia came up with the brilliant concept of using them to make a DIY stress ball. She shows the method below. Look how fun that is to play with! I totally want one!! What do you think? Is this a DIY you would try?