CREATIVITY UNLEASHED: Jelly Blox are a unique building system featuring 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 key developmental milestones and contains several special blocks filled with super sand, foam beads, mini stars and mini bricks for additional sensory and tactile fun! OUCH-FREE: These squishy, smooshy blocks ensure there’s no need to worry about accidentally stepping on them, and they are easy to clean with gentle soap and water! QUALITY ASSURED: Jelly Blox Stash 'N Stack 2-in-1 Storage Case includes 30 colorful blocks and meets strict industry standards, ensuring the blox are easy for little fingers to pick up, place, stack and disassemble SAFETY TESTED: Jelly Blox bricks undergo rigorous toy safety testing, including dropping, twisting, and pulling, to ensure they meet stringent global safety standards for worry-free play MESH ACCREDITED: Jelly Blox are MESH Accredited - MESH accredited products are evaluated based on their ability to help children develop skills like problem-solving, perseverance, adaptation, conflict resolution, self-regulation, self-advocacy, cognition, and communication.