The ARC-TEC® Create Onyx Black Edition is a statement of sleek simplicity and perfect for builders who love clarity and edge. This open-ended, designer construction set unleashes creativity while also serving as a mindfulness tool. Assemble the pieces in countless ways to create your own modern art piece or imaginative structure. This eye-catching edition of ARC-TEC® Create inspires the user to think, build, and design like a real architect, using nature as their blueprint. Each set includes product information inserts, including instructions on ARC-TEC® games. A sturdy building plate and soft cotton dust bag for thoughtful storage or gifting. 50 PCS. Made from Corn starch You can clean the pieces by placing them in a washing bag inside a dishwasher using a gentle cycle with mild soap, or by hand with a damp cloth and mild soap. Bioplastic 100%