Structures by MindWare is an architectural building set that requires no glue or connectors! The sky is the limit! Simply stack the precision pine planks to create ornate buildings, monuments, and geometric forms. It is the ideal activity to help kids gain an understanding of balance and proportion, as well as an interest in architecture, building, and design. Includes 200 pine planks and idea book Recommended for ages 5+ WARNING: CHOKING HAZARD: Small Parts: Not for Children under 3 years Made in China Imported Product Specifications 13.25 in L x 5.25 in W x 13 in H Material & Care Plastic Spot clean only