The Magna-Tiles Mixed Colors 28 Piece House Building Set is full of creative possibilities. Build a house and then decorate it with the included stickers! These tiles are a great way for children to build their understanding of math and science through play. Kids can learn about shapes and patterns, measurement, magnetism and simple physics, teamwork and problem solving. Set contains 2 large rectangles, 2 "C" shapes, 6 small squares, 4 right triangles, 6 equilateral triangles, 3 isosceles triangles, 2 stairs, 2 "T" shapes, 1 door and a fun sticker sheet. Ages 3 & up. Imported. Warning: Small parts, choking hazard, not for children under 3. This product contains small magnets, which, if ingested can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnets are swallowed or inhaled.