Specification. Name: Hand-cranked electric light Material: Wooden Colour: As shown in the picture Size: 150*85*160mm Suitable for: 4 years old and above Features. [Science experiment] In the process of assembling, children can explore useful knowledge, laying the foundation for future inventions, mathematics and chemistry learning. [Hands-on brain] Exercise your child's logical thinking skills and creative invention ability through hands-on assembly. [Parent-child interaction] You can explore and assemble with your family or friends to enhance your relationship. [Durable and anti-deformation] Made of high quality wood, non-toxic. Anti-deformation, wear-resistant, high quality, exquisite craftsmanship, to ensure long-lasting use. [Creative Gift] Suitable for children and adults as a birthday gift, Christmas gift, and also as an interactive toy for indoor, garden and outdoor. Package includes. As shown in the picture. Caution. Product contains tiny accessories, to avoid accidental ingestion please use in the company of parents.