Ugears 70009 Wooden Toy 3D Puzzle Engine;

Now, let's embark on a journey into the steam engine era. The U-Gears pneumatic engine is small but highly functional. It uses a simple balloon to power the pneumatic engine. The engine has two compartments: one for the pneumatic tachometer and another for spare parts. Assemble the parts, and it will move using rubber band power (balloon). No glue is required. Made from natural wood materials. Laser cut. Size: 162*78*100mm Package Size: 370*140*30mm Number of Parts: 81 (Balloons not included) For the latest information, please visit our Facebook page: https://www.facebook.com/UgearsJapan Construction kit to assemble a mechanical box.; Material: plywood; Manuals: EN; Model size: 181 x 91 x 189 mm; Package size: 37 x 17 x 3 cm