this one sounds even easier to make: bubble snakes = easy quick craft. Cut the bottom off water bottle. Put old sock over bottom and duct tape. Add food coloring for fun. Dip end in dish soap mixed with a little water
Over 30 fun & easy activities for boys! Okay, that is the title from the author, but really these are great for any preschooler, boy or girl. Crafts and Activities for Toddlers" would have been just perfect.
Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.