Science & Nature.
Easy, step-by-step instructions guide kids along as they explore, learn, and make five fascinating varieties of slime and putty.Their minds will be oozing with curiosity and wonder! Toys. They'll make bouncing putty, compare different slimes, make their own slime, and more. National Geographic Slime & Putty Science Kit - Science & Nature for Ages 7 to 11 - Fat Brain Toys.