Ukidz UGEARS Additions for Truck Mechanical 3D Puzzle DIY Wooden Construction SetModel size Tanker: 6. 7 x 4. 5 x 5. 3 in Model size Fire Truck Ladder: 14. 2 x 4. 7 x 6. 9 Model size Trailer: 8. 9 x 4. 3 x 4. 1 Number of parts: 322 Level: Intermediate Assembly Time: 3 4 hours (each) Recommended Age: 14+ Item Number: UTG0015 Dimensions: 14. 61 x 6. 69 x 1. 49 inches Weight: 2. 5 lb UGears Additions for the Truck (Tanker, Fire Ladder and Chassis) easily transform your Truck into Tanker or into Rescue & Fire Truck The Rescue Ladder