Features: Discover the wonders of biomimicry with our Worm Crawling Robot Toy, children science educational toy that inspire a love for science in kids and student minds. This wood puzzle assemble science experiment set crafted from wood, safe for children and easy to assemble. Very suitable for children, student and teens aged 7-14. This worm robot STEM toy wood puzzle assemble science experiment set is great for kids with an interest in science, physics, robotics. Whether at home, in the classroom, or outdoors, this Wood Puzzle Assemble Robot Toy Science Physics Experiment Set provides opportunities for learning in play, fostering parent child interaction while enhancing children's hands on skills and creativity. Not only serves as a fun science educational toy, but also as classroom teaching aids, science physics experiment Set, kids student Birthday present, Christmas present. Specifications: Color: As picture shows Component: Wood Size: Approximately. 18x5.5x6cm/7.09x2.17x2.36in Weight: Approximately. 85g Package Includes: 1Set Robot Toy note: NOTICE: BATTERIES ARE NOT INCLUDED IN THE PACKAGE! Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. Due to difference between different monitors, the picture may not reflect the actual color