Popular Playthings Gravity Blox, Weighted Building Block Set Toy For Balancing And Creating

Welcome To Gravity Blox, The Gravity-Defying Stacking Toy! Ready To Learn The Secret Behind These Amazing Blocks? Hidden Weights! Orange Blocks Are Weighted On One End, Green Blocks Are Weighted In The Middle, And Gray Blocks Have No Weight At All. Knowing The Location Of The Weight Allows You To Stack Gravity Blox In Ways That Appear To Be Impossible. Amaze Your Family And Friends! Our Idea Booklet Illustrates Over 30 Gravity-Defying Shapes You Can Build. Try Them, Then Create Your Own.