MagWorld 104 piece magnetic building set is the perfect set for a classroom. Parents and educators alike will appreciate how these clear translucent, tactile tiles provide a concrete, manipulative tool to help children develop mathematical concepts and geometry skills as they play and explore. MagWorld develops patterning, shape recognition, building and motor skills. Use them for guided activities or hours of open-ended fun and exploration. Building colorful 3D structures has never been this fun! Includes clear squares for windows. Let your children’s imagination run wild! Fun and Educational for the whole family! MagWorld Tiles are rigorously tested in our ISO9001 factory to insure consistent quality and safety. Our patent pending design incorporates both functional and design elements, enhancing play-value and safety. Set Includes Six Geometric Shapes: 44 Squares, 24 Equilateral Triangles, 12 Right Triangles, 12 Isosceles Triangles, 8 Rectangles and 4 Trapezoids. Step-by-Step starter instruction booklet. Pieces in Rainbow Colors- Red, Blue, Yellow, Green, Orange and Purple…and bonus Clear Squares. Compatible with all MagWorld Toys Sets. Materials: BPA Free Hqabs Plastic. Product Conforms to CE, Astm, EN71, High Quality Abs plastic, Redundant security using Sonic Welding and “Fasteners” to insure tiles never open, Patent Pending Design.