STEM Toys Improve your kids' imagination and creativity by challenging them to build anything they can imagine! Our educational building blocks grow with your child, too! starting from easy for younger kids to advanced designs for older kids. Fun For The Kids With a detailed instruction of building models, children can easily build shapes to get achievement. Older kids can use their imagination and creation to build anything they can imagine! Read more 100% Environmental Materials Made from food grade ABS plastic material, it is non-toxic, w,ashable, tasteless and durable.The rotating speed is slow and will not hurt your child.Most importantly, the corner of all parts are rounded to prevent the child's hand from being accidentally cut. This toy is safe for your child. Read more Our STEM building block kits contains 75% more pieces than other sets. We also include 4 tools for building so more of your kids can play at the same time You can find specific procedures of different models according to our manual in the box. What's more, children can also create any models they can imagine. Create your own building shapes! Providing a strong and portable storage box with handle,building blocks make toys easy to store. It is also perfect to be carried by parents and kids for camping, small party and other activities. Read more 191 PCS 223 PCS Number of Pieces 191 PCS 223 PCS Package Portable Storage Box Exquisite Package Recommend Age 3+ Yrs 3+ Yrs Creative design can build by kids at least 23 at least 23 Gift for Boys&Girls Boys&Girls