KEVA ultimate! Still no glue or connectors required. Simply stack the precision maple wood planks by MindWare to create buildings, monuments, and geometric forms. It's the ideal activity to help kids gain an understanding of balance and proportion, as well as an interest in architecture, building, and design. A full-color idea booklet with build-out instruction, two lightweight KEVA balls, and maple planks are included. Proudly made and assembled in the USA, the richly grained durable maple planks are not only beautiful but designed to provide years of monumental building fun. The Benefits of KEVA Maple: More durable and last longer; Made from a higher quality wood; Made in the USA; Includes full instructions from KEVA Contraptions and Structures sets. Includes 50 Maple Panks, 2 KEVA Balls, Full-Color Guide Book Recommended for ages 5+ WARNING: CHOKING HAZARD: Small Parts: Not for Children under 3 years Domestic Product Specifications 7.75 in L x 7.5 in W x 3.5 in H Material & Care Plastic Spot clean only