Jelly Blox are a unique building system that kids can squeeze, stretch, and squish! Crafted to aid developmental milestones through tactile, sensory play, Jelly Blox delivers jiggly construction fun. Some blocks are filled with exciting materials like sand, foam balls, mini stars, and mini bricks for added sensory fun.  Product features: Jelly Blox are a unique building system that kids can squeeze, stretch, and squish Crafted to aid developmental milestones through tactile, sensory play, Jelly Blox delivers jiggly construction fun. For parents, peace of mind comes standard - Jelly Blox are safety-tested and ouch-free, sparing bare feet if theyre accidentally stepped on. With Jelly Blox, it's all about bending the rules and stretching imaginations. Includes 11 pieces to start children's creative building adventure Approximate Dimensions: 20 x 20 x 5 cm Suitable for ages 2 years +