Chemistry Cube Rubik's cube with educational learning purpose. The toy with the periodic table on it. Features details Our Cube breaks through the traditional cube model, adopts Chemical Elements Design used as the puzzle cube, It not only perfect for reducing stress, exercising your brain, improving memory ,practicing hands-on dexterity skills, but also Improve the fun of the game Product information Product Dimensions ?2 x 2 x 2 inches Item Weight ?2.96 ounces Novel design Breaking the traditional rubix cube design .Adopting the Chemical Elemen as content of rubics cubes can help understand the knowledge of chemistry , making the rubiks cube 3x3 not only a toy, but also a good helper for learning MSRP:$35 dshu