Structures is an architectural building set that requires no glue or connectors. The sky is the limit! Simply stack the precision molded 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. The included 24-page, full-color idea book shows you how to build towers, furniture, pyramids, staircases, ships, trains, houses and more! Dream big, build big with the KEVA structures. Includes idea book. Ages 5 and up.