Feature: 1. SUPPORT REMOTE CONTROL: The product is driven by a fixed pulley block, and the lifting is realized by the tower crane's own structure and pulling rope. Remote control transmission, start and stop freely; Possess double lifting point and double observation hole design 2. SIMPLE TO ASSEMBLE: Original ecological wood, light and convenient, easy to operate, safe, healthy and environmentally friendly. Laser cutting surface is smooth and burr free, easy to assemble 3. LAY BASIC FOR LEARNING: The scientific knowledge in small production can lay the basic for future inventions, mathematics, physics and chemistry learning 4. IMPROVE INNOVATIVE AWARENESS: Improve children's innovative awareness and ability, let children win at the starting line, and become more competitive in society 5. CULTIVATE LEARNING INTEREST: Cultivate children's interest in learning and desire for knowledge, which helps to improve children's academic performance 6. STRENGTHEN HANDS ON ABILITY: Children today generally lack hands on ability, this toy can strengthen the training of hands on ability, understand the principle of fixed pulley, so that knowledge is no longer on paper Specification: Item Type: Tower Crane Model Toy Material: Beech Uses: Handmade, puzzle teaching Paint Material: Wood without paint Wooden Building Block Type: Building blocks Remote Control Power Supply: 2 x 1.5V AA battery(not included). Package List: 1 x Motor1 x Motor Clip1 x Remote Control1 x Glue1 x Sand Stick1 x Nut1 x Accessories Package1 x Hook1 x Cotton Thread5 x Iron Shaft4 x Pulley1 x Gear1 x User Manual4 x Wooden Board1 x Screwdriver