Keep your young enthusiasts engaged and occupied for hours with this mentally stimulating Build Your Own Robotic Spider set. Product Details Suitable for ages: 8+ years Includes 1 x on/off switch, 1 x gearbox, 1 x eco-friendly reusable box, 1 x box base with holes, 1 x battery compartment, 1 x front leg action plate, 1 x front leg connecting beam, 2 x fangs, 2 x front legs, 1 x spider case, 2 x leg bases, 2 x gearbox connectors, 2 x gearbox axis extensions, 2 x rings, 3 x spring connectors, 6 x connecting joints, 1 x chassis, 6 x thighs, 6 x feet and 1 x sticker Dimensions/Size: 25.4cm (H) x 20.3cm (W) x 7.2cm (D) Material: Acrylonitrile butadiene styrene (ABS), polypropylene (PP), high impact polystyrene sheet (HIPS), iron, copper, polyoxymethylene (POM), paper, tin and polyvinyl chloride (PVC) Battery information: Requires 2 x 1.5V AA batteries (not included) Features Mechanical spider comes to life Watch the scientific spider crawl Battery powered Based on science, technology, engineering, and mathematics (STEM) principles Additional Information Adult supervision and assistance required Instruction Manual Caution: Contains leads with functional sharp point on leads. Small parts. Follow usage instructions carefully.