Cool Building Set - This set is brightly colored and very attractive. Include 165 pcs building block and 2 tools. 5 models like RACs, helicopters and robots, support 5 player play at the same time.Come with a reusable storage container and User Manual Easy to dismantle and reuse. Flexible toy for creativity! Safe, Durable Learning Toys - Homcent construction toy are made of ABS plastic and TPR material. Non-Toxic and Lead/BPA/Phthalate Free. We invested in child-friendly materials and rigorous lab tests to make sure your kids are 100% safe from harmful chemicals. Great value compared to other brands. Fun STEM Educational Toys - This building blocks kits is designed for 5+ years old children exclusively to improve their Science, Technology, Engineering, and Math skills at their most creative age. Perfect Kids Gifts - This learning toys will be your best gifts choice for your boys and girls age 3-4 5-7 6-8 8-12 on birthdays Day, Thanksgiving, Christmas Kindergartens,or other special occasions.Stem toys for boys requires 2 AA Batteries(not Included). TRUSTED BRAND! - All of our boy toys girl toys have 2-YEAR WARRANTY. If you have any problem with Homcent toys, please contact us ASAP("Contact Seller"). Just ordering this Kids Gifts at risk free if you wanna give your kids a big surprise!