ROKR 3D Wooden Model Kits for Adults Toys with Rubber Bands, 3D Puzzle Model Kits to Build Mechanical Building Construction, Gifts for Teen and AdultsROKR 3D Wooden Projectile ToysROKR restores this classic model born in the Soviet Union with a wooden mortise and tenon structure. The true ratio of 0. 8: 1 greatly preserves various design details. The appearance color and launch steps are also exactly the same. It is a perfect collection for military enthusiasts all over the world. Perfect MechanismThe model retains the consistent rubber band launch mode and safety system of the Peace Guard series.