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Pneumatic engine. Exact analogue of steam engines. For the starting is enough to blow into a special trumpet or start engine from ordinary balloon. The construction has an air tachometer, three interchangeable nozzles for the trumpet and two box for details. Is packed in a film with the instruction. Self-assembly kit (details ready and simply removed from the board). Assembling with instructions. Material - plywood. Instructions UA. Packing size L * W * H 37*13*3 cm. The size of the assembled model L * W * H: 165 * 77 * 90 mm