Fantasy Fields - Sunny Safari Animals Thematic Kids Wooden Toy Organizer with Storage Bins String on back of storage shelf to secure it to wall to keep it from falling down. Hand painted, hand carved and non toxic paint. Safe, sturdy wooden structure made by MDF (CARB-P2) with lead free paints - CPSIA, EN71-1-2-3, ASTM F963 compliant. Estimated assembly time: 10 mins. Packaged with step-by-step assembly instruction.