UNLEASH YOUR CREATIVITY: Jelly Blox is a unique building system featuring a soft, safe sensory construction that kids can squeeze, stretch, and squish for endless hours of engaging fun! Adults love Jelly Blox, too! LEARN AND PLAY: Jelly Blox supports important developmental milestones and contains several special blocks filled with super sand, foam beads, mini stars, and mini bricks for extra sensory and tactile fun. COMPATIBILITY: The Jelly Blox Creative Kit includes 20 colorful blocks for hours of building fun, and is compatible with all other Jelly Blox kits to expand play and creativity. PAIN-FREE: These soft, squishy blocks ensure there's no need to worry about accidentally stepping on them, and they're easy to clean with mild soap and water! SAFETY TESTING: Jelly Blox bricks undergo rigorous toy safety testing, including drop, twist, and pull tests, to ensure they meet strict global safety standards for worry-free play. MESH ACCREDITED: Jelly Blox products are MESH accredited - MESH accredited products are evaluated based on their ability to help children develop skills such as problem-solving, perseverance, adaptation, conflict resolution, self-regulation, self-defense, cognition, and communication.