The 155 mm Gun M1 "Long Tom" is an American field cannon produced between 1940 and 1945 in two variants: M1 and M2. It is also known under the designation M59. It was used during World War II and the Korean War. Its effective range is more than 20 km. As many as 14 crew members were needed for standard operation.

The COBI construction brick model features movable wheels with rubber tyres, a transport tow truck, an opening lock of the ammo chamber, a movable barrel and gun arms. Includes a figure of an American soldier with a Colt M1911 pistol, as well as an opening transport box, a screwdriver, a hammer and four artillery cartridges. A vehicle statistics card for the Historical Battle Game is also included.

• 200 high-quality components,
• produced in the EU by a company with more than 20 years of tradition,
• bricks meet safety standards for children's products,
• fully compatible with other design brick brands,
• printed blocks do not deform and do not fade during play or under the influence of temperature,
• clear and intuitive instruction based on drawings and icons,
• moving elements allow you to have fun with the model,
• included a figurine of an American soldier with accessories,
• Historical Battle Game statistics card.

Model dimensions (length x width x high): 36.5 cm (14.4") x 8 cm (3.2") x 13.5 cm (5.3").
Box dimensions (length x width x high): 27.5cm x 5.5cm x 22 cm.