Metal Model Car Kits - STEM Projects for Kids Ages 8-12 14 and Up, Assembly Educational Building Toys, Birthday Gifts for 15 16 Year Old Boys Girls Features: 【Model Assembly Kits For Boys 8-12】Support STEM Education For Children Aged 8+, The children think carefully and patiently make the toys from the screws and wheels. The Kids can exercise their brain, cultivate their patience 【Assembly Easy】 Car Model Prepared clear instructions for the children, showing the diagrams of each step, 8+ years old Kids will be able to understand and assembling 【Metal Building Blocks】Building car set includes 139 parts, such as, bolts, small screwdriver, and wrench, etc., Made of metal,Each piece is made of no-rust metal which is more and sturdy than other plastic assemblies. When the build is completed, it can slide for a distance with a little push 【Size】Model measures over 2.9" high, 5.5" long, and 1.7" wide. When you finished the assembly process, it will be bigger than you expect 【Best Vehicle Car Gifts】Designed with accuracy and built with careful attention to detail. It is a valuable collection and souvenir for Model Car enthusiasts Product Description: Material: metal+plastic Product: Building Car Metal Model Kits Number of accessories: 139 Pcs Color: Silver Suitable age: 5+ Function: Assembling DIY, exercise hand-eye coordination, motor skills, logical thinking and problem-solving skills. Packing size: 17x14x4.3 cm/6.6x5.6x1.7in Product gross weight: 270g/0.6 lb Package Contents: 1x Building Car Metal Model Kits（139 Pcs accessories） 5 in 1 building car metal model kits stem building toys model car kits for boys 8-12 motorcycle metal building blocks for kids boys 8 9 10 11 12-16 years old. High quality material, safe for kids and pets. Excellent workmanship, durable. Plastic. High quality material, safe for kids and pets. Excellent workmanship, durable. Plastic. Creative toys, engineering toys for kids 10-12, educational toys for 4 year old boys, outdoor toys for toddlers 1-3, educational toys for 6 year old girls, active toys for kids ages 4-8, kids learning toys age 2-3. Model assembly kits for boys 8-12: Support stem education for children aged 8+, the children think carefully and patiently make the toys from the screws and wheels. The kids can exercise their brain, cultivate their patience.