Mechanical Building Toys for Boys, 50 STEM Projects for Kids Ages 8-12 with 325 PCS Building Blocks, STEM Toys for Creative Kids Game, Science/STEM Activity Kit, Birthday Xmas Gifts for Kids 6+

?50+ Mechanical Projects?: This toy building set includes 325 pieces, kids can DIY 50 different models. To encourage early science, engineering, art, electronics, and mechanical principles by challenging them to build their own DIY projects. Perfect STEM activities for kids ages 6+. Great creative kids games, indoor recess games for classroom, steam building toys for boys age 8-12, stem building toys for kids ages 4-8,stem toys for 6 7 8 9 10+ years old boys and girls.!
?Instructton Guide?: The STEM science kit comes with installation tools and clear step-by-step instructions with model photos. Children can independently make their favorite mechanical models. Opended prompts will inspire kids to continue experimenting with designs and modifications!
?STEM Toys for Kids?: The STEM activities kit is designed to improve children’s science, physics, engineering, and math skills. Mechanical building is a great hand-on way to learn about simple machines. In this on-line teaching environment, Science construction toys are hands-on activities that enhance course learning.
?Safe & Solid ?: All accessories are finely polished smooth surfaces, are burr-free, non-toxic, lead, cadmium, and BPA-free! Kids can touch, play and cuddle. The science kit are 100% washable and guaranteed to last. ASTM, CPSIA, CPC, 16 CFR, EN71, REACH, CE certified in 2022.
?Gift for Kids?: If your child is a mechanical fan or loves science, It is the perfect birthday, Easter, Christmas, Halloween, or party gift for 6 7 8 9 10+ year old boys and girls. Order from Caferria, Any problem with this product, please feel free to contact us, and we will replace it for you or provide what you want for free. Enjoy this absolutely risk-free purchase!