Deluxebase Microbricks are easy to use blocks that build 3D puzzles with help from your kids imagination and creativity! They are designed to build and expand your child's curiosity as they create, transform, demolish and re-create. The small block size enables you to build in great detail, and the building process is designed to be both educational and fun for kids and adults. Set contains 109pcs. Not suitable for children under 3yrs due to small parts.