Jelly Blox is a unique and imaginative building system for toddlers that enables soft and safe sensory play. Thanks to the flexible elements, playtime is safer, and children can create imaginative constructions by connecting the pieces together. Jelly Blox is the only soft, sponge-like building system on the market. The set includes 11 pieces. The elements are filled with super sand, foam balls, stars, and cube blocks.