Features: brand new and high quality for Creative Building Block Toy: The STEM toy truck have a detailed list of accessories, contains 138 metal disassembled pieces with awesome stimulation of kids’ building skills, equipped with screws and assembly tools, making the DIY kits is easier to assemble, well exercise kids’ hands-on ability, encourage and enhance brain development, improve their hand & eye coordination as well. Screw & Nut Assembly Toy: The package you get is model kits with screws & nuts, equipped with screwdriver, wrench and for image instruction, which can assist kids DIY different Construction Trucks, with great brain development and hand-on ability. Patience Training Take Apart Building Toy: The take apart building toy require great patience, kids need to concentrate, through playing to improve their building skills, exercise kids’ concentration and with good stimulation to educational training for kids. Qualification Material: Made by high quality iron pieces and plastic material, smooth edges as well as wear-resistant, non-rusty and safe friendly to your kids, 3D cutting pieces ensure the playing experience. for Ideal Gift for Kids: Suitable for kids as birthday gifts, Christmas gifts, and follow the instructions to finish and DIY what they dreamlike building construction truck toys. Specifications: Product Dimension: approx. 24 x 11.5 x 10cm/9.45 x 4.52 x 3.93 inch Packing Dimension: approx. 34 x 5 x 24cm/13.38 x 1.96 x 9.45 inch Material: Metal Net Weight: approx. 400g/0.88 lbs Suitable Age: Age over 6 years old Package Includes: 1 x DIY Construction Truck Model Kits (138pieces) note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.