Metal mechanical model; DIY self-assembly kit; Wind-up mechanism; On/off lever; Toolkit is not included. PRODUCT DESCRIPTION: Our first Marvel Tank was such a hit that we decided to create a new, improved and optimized version! This metal model kit is inspired by First World War designs, but has been stylized in a more peaceful and elegant fashion. The self-propelling mechanism can overcome obstacles with its shiny tracks. The tank moves from a wind-up spring system. Build this beautiful combination of real-world history and steampunk beauty to decorate your home or workspace! Scale 1:56. ADDITIONAL INFORMATION: Package size: 255 x 125 x 23 mm Model size: 141 x 63 x 48 mm Set: 4 plates with parts, 9 additional gears, spring, cloth for polishing, and instructions. Material: polished stainless steel. Number of pieces: 140 pieces Recommended age: 14+ Language of instruction: English, Ukrainian, German, French, Spanish, Russian. ALL MODELS COME IN CARDBOARD BOXES.