Feature: 1. Easy Climbing: The track of this simulation model is flexible and firm, with good grip, and easy to climb at 45° 2. Beech Material: Made of original ecological wood, safe and environmentally friendly, easy to assemble, suitable for children 3. Lay Foundations: The scientific knowledge in small production can lay the foundations for future inventions and learning of mathematics, physics and chemistry 4. Cultivating Ability: Improve children innovative awareness and ability, let children win at the starting line, and become more competitive in society 5. Improve Performance: Cultivate children interest in learning and desire for knowledge, which helps to improve children academic performance 6. Pleasant Experience: This simulation model creates enjoyable learning experience, the perfect substitute for video games Specification: Item Type: Tank Toy Material: Beech Uses: Handmade, Puzzle Teaching Paint Material: Wood Without Paint Wooden Building Block Type: Building Blocks Power Supply: 1.5V AA Dry Battery x 2 (Delivery without battery). Package List: 8 x Wheel1 x User Manual1 x Screwdriver2 x Wooden Board4 x Shaft Rod2 x Crawler Belt1 x Battery Box1 x Accessories Package1 x Motor Base1 x Motor