CUBORO TUNNEL Additional Parts Expansion CUBORO Wooden Toys Boys Girls Items Educational Toys Building Blocks Tsumiki Present Birthday

Type: Building blocks additional parts set *You cannot play with this set alone. Material: Beech wood (beech), solid wood, glass (marbles) Target age: 7 years old and up Part size: Building blocks base scale: 50mm long x 50mm wide x 5cm high, marbles 17mm Set contents: 11 types, 16 pieces, 5 marbles [CUBORO / TUNNEL (Tunnel)] Tunnel is an additional part of the new series consisting of old Metro and newly made parts. By combining with the standard or junior parts of the basic set, it becomes a product that expands the range of configurations. *Please note that you cannot play with the tunnel set alone. By combining cubes, you can change the speed of the ball and enjoy various tricks. Through trial and error, you will develop three-dimensional composition skills, theoretical thinking, and concentration. The ball is bounced by the force of the pendulum and runs up the slope with great force.