Mewtwo from Nanoblock's Deluxe Pokémon Series stands approximately 5.5" tall and has 620 pieces. Difficulty: Based on a scale from 1 to 5: 1 being the easiest and 5 being most advanced, this model is based at a Level 3 (entry level) and is for ages 12+. With bricks as small as 4mmx5mm and manufactured to the highest tolerances for a perfect fit, make amazing 3D art that fits in the palm of your hand. All sets come with detailed step by step instructions. Look for origin of shipment: Only items shipped from within North America are being sold by authorized U.S. Retailers. The product box will have a Bandai Namco warning label, which is proof that you are purchasing an officially licensed Kawada product, distributed by its sole and authorized distributor (Bandai Namco) for the U.S. Markets. This product has been thoroughly tested for safety and meets all North American consumer product safety regulations. The affixed label also entitles the purchaser to product support assistance within the United States.