Engaging and realistic science and technology kit, sure to be a hit with children. Educational and motivating, it fosters brain development and helps children understand traffic light operation. Made from wood. Dimensions: 13.5 cm x 9.5 cm x 4 cm. Ideal for children's knowledge development. Item Name: Science and Technology Kit Material: Wood Features: Brain Development, Hand-eye Coordination, Realistic Batteries: Not included Size Details: 13.5cm x 9.5cm x 4cm / 5.31" x 3.74" x 1.57" (approx.) Notes: Color may vary slightly due to lighting and screen settings. Please allow for slight dimension differences due to manual measurements. Package Includes: 1 x Science and Technology Kit FAQ: Q: Is it available? A: Yes, all displayed products are in stock. Q: How to buy if color/size is missing? A: Please contact us after ordering to change color or size. Q: How long for delivery? A: Packages are shipped within 1-2 business days from China and typically arrive within 8-14 days. Q: Can I get an invoice? A: Yes, electronic invoices can be provided upon request after payment.