Early construction and manipulative set, ideal for developing fine motor skills. Young learners aged 18m+ will build their fine motor skills when stacking these odd-shaped, plastic pebbles. Sort and sequence these pebbles to develop early math skills. Encourage creativity or follow the life-size activity cards to create clever patterns and pictures. The smooth, warm texture of these pebbles will delight inquisitive hands.Includes 36 pieces: 3 shapes and 6 bright colors with 8 double-sided activity cards. Colors are blue, green, purple, red, yellow and orange.