Pop, twist, mix, and stack! lalaboom is more than a collection of snap-together beads, It's a beautifully innovative developmental experience. senses are engaged as little ones Explore the unique textures, vibrant colors, and smooth twisting movements. it's an enlightening sensory adventure! lalaboom 36 pc set - set of two-piece textured beads that snap and twist together - encourages fine motor skills, spatial reasoning, sensory exploration, creativity - a creative educational Montessori approach! - beads twist apart and back together to make all kinds of combinations - feature a variety of unique contours and textures for little fingers to explore - beautiful, vibrant colors mesmerize the eyes - easy to clean, pack up, and carry for on-the-go play - BPA-free - exceptionally safe for baby - beads Each measure approximately 3 x 2 x 2 inches - high quality design and materials - lasting durability grows with your child! - 10 months - snap the beads together and pop them apart - 15 months - twist them apart and back together - 18 months - mix and match the different colors and textures - 20 months - stack them and balance them, one on top of the other