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Professor Flubberstein's Wacky Wonders brings you an activity kit that will engage all of your senses. Learn how to bottle your own breath and enlarge a shrunken heart! Perform experiments with a sticky hand and rubber bones, and build a stethoscope to listen to your heart race. Did you ever wonder why dead fish float, or why you can't taste food when you're sick. Discover these answers and much more through 10 wacky activities that make learning science totally gross - and totally fun! Comes with growing heart, transparent digestive tract, sticky hand, mini skeleton, 2 funnels, plastic tube, 2 tongue depressor halves, rubber band and activity book. For ages 6 and up.