All Playmags pieces meets or exceeds performance safety specifications established by leading organizations in safety.Unique Design:Each block features a unique Union Jack shape at the center to give it super strength and a cool look.Learn early math concepts with Playmags Playhouse!They will teach you fractions, number graphing, building patterns shape puzzles and simple addition sentences. The versatile Playmags engage children in creative play and help them learn and practice a variety of skills and concepts such as and not limited to like Magnetic Principles, Force & Motion, Electricity, Nature Exploration.Theres no limit to the way kids, parents, and teachers can use Playmags Playhouse set. Playmags playhouse set attract on all sides and in all combinations, helping children move from two-dimensional to three- dimensional creations.What you get: 4 windows 3 doors 17 tiles 10 roof tiles  2 ceiling tiles  4 roof sheets  2 staircases  2 support pole sets