High simulation DIY intelligent science kits , motorized and battery operated. Adult supervision may required, follow the instruction drawing is easy to assemble. Science Project Experiment Kit is best educational gift for kids perform an experiment in home and school Age 8+ Recommend. DIY Kits for kids or any people who interesting in DIY toys. Kids mechanics kit require 1* AA battery(not included) Product DIY Assemble Intelligent electric Spider Robot Toy Kit,Science Robot Toys,Educational Model DIY Building Kits Main Feature Eight multi-joined legs accurately duplicate the walking movement of real spider Two assembly choices to change the stride length and gait Shape Together assembly-glue not required. Add children the joy and achievement with the assembly,help to cultivate their innovation and intelligence. Specification Age 8+. DIY toy with electric part Charge by 1*AA battery(not included Material:plastic Size of box - 24.2 cm x 18.2 cm x 6.2 cm. Package Includes: 1 Set Assembly Spider Toy Kit 1 Instruction manual Safety Warning Warning: Not suitable for children under 6 years. For use under adult supervision