Geometrical Board: There are 1 wooden board with 64pcs of nails half driven in, 23 pattern cards(5 empty cards & 18 geometric cards). The supply of one individual package of latex band pack are more than enough. The board measures 8 x 8 x 0.9in, weigh 8 oz. Graphical Educational Toys: Having kids in school to learn all types of different 2D shapes and figuring out fractions. Good for kids who love making multiple shapes, letters, animals, flowers, and other objects. Enhance fine motor, visual motor skills and creativity. Competitive Advantage: The back side has pegs in the shape of a circle, the little tops on them and nails on the long side help make it easy for small fingers to get the bands on them and stay on them. Really broaden the scope of the shapes they make. Materials Durable: All of the boards felt very firm and secure, No sharp edges will not scratch the baby, hold up well when playing with them. The rubber bands were also strong and won’t have any of them break easily.