The Lalaboom 3-in-1 shapes sorter box is a step by step toy. It promotes sensory discoveries and develop essential cognitive and fine motor abilities for children from 10 months to 4 years old. - At 10 months, it is time for sensory discoveries and the development of visual acuity thanks to the different textures and colors of the beads, which your child begins to assemble - 15 months, your child opens and closes the beads. The shape box contains an activity board that allows toddlers to recognize shapes and insert them vertically into the tray. - 18 months, the child connects the beads with the shapes and inserts them into the holes horizontally. This shape box serves as a case to store the parts and carry it along. - Between 18 and 24 months, your little one turns the box over, it turns into a balancing game. Then, he can connect the beads directly to the box or simply stack them until they collapse! - At around 36 months, the child begins to play with friends, and each takes turns adding a piece, the first to capsize the pieces to lose! Durable, Lalaboom pearls promote wise consumption and show children that a single toy can contain many possibilities that they will discover as they grow up. Contains a shape sorter box, 4 shapes and 4 educational beads (16 pieces) - Diameter of the beads of 2 in. Size of the shape box: 9.44 x 3.93 x 6.29 in.