4M Robotic Hand Kit This kit contains all the materials needed to assemble a robotic hand with fully-articulated fingers. Pulling a cord makes the robotic fingers curl inward in a realistic gripping action. Perfect for young science enthusiasts, especially those with an interest in robotics. Detailed assembly instructions included. Recommended for ages 8 years and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun. Assemble a robotic hand human hand, Completed hand is about 9" long Amaze your friends with its realistic gripping ability Detailed instructions included Fun and educational