STEM inspired, the Engino Qboidz 30-in-1 Multi Models Building Toy Set combines the award-winning snap-fit connectivity of the Engino system with the effortless building feature of stackable blocks! Designed to be engaging and fun to build, this model building set offers easy assembly and disassembly with the included instructions. The kids' building set is great for builders ages 3 to 6 years old. Add this building toy set to your little one's toy collection to add some educational fun.