Building set: punch out the foam pieces and use the connectors to Interlink stack and rotate the pieces at any angle. Whether you follow the instructions or follow your imagination The possibilities are endless. Stem learning: promotes development of logical-problem solving and spatial intelligence. Manufacturered by Bloco Toys inc.. Easy Instructions: Includes clear step-by-step illustrated instructions to build a shark Octopus Piranha deep Sea and tropical fish all at once. Safe to play: big thumbs-up from parents for resistant pieces that are safe soft to the touch and washable. Lead-free BPA-free and phthalate-free. Includes: 181 foam pieces 54 plastic connectors and instructions sheet.