Lalaboom sensory balls and pearls offer children the opportunity to discover and develop their skills step by step. Large balls to roll and beads to screw, clip, assemble which allow to build a multitude of combinations and multicolored and varied shapes. - At 10 MONTHS, make way for sensory discoveries and the development of visual acuity thanks to the different textures and colors of the balls and pearls. - 15 MONTHS, your child opens and closes the beads, he begins to connect the beads with the balls. - AT 24 MONTHS, he can mix the colors and shapes of the pearls with the balls easily - From 2 to 3+ YEARS OLD, it's time to build! Your child makes sequences between the balls, opens the balls and multiplies the possibilities of construction while stimulating his creativity. Durable, Lalaboom sensory balls and pearls promote wise purchasing and show the child that a single toy can contain many possibilities that he/she will discover as he grows. Contains 3 sensory balls and 6 pearls (12 pieces) - Diameter of the pearls of 2 in. Diameter of the sensory ball 4 in.