No glue or connectors required! Simply stack the precision-cut, solid pine KEVA planks 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. This kit includes: KEVA Structures 200 plank kit comes with 200 KEVA planks for free-form building and a 24-page, full-color idea booklet with build-out instructions. FREE Bonus Planks set includes 50 extra KEVA planks for even more building!