The STEM Magnetic Building Blocks 42 Pieces let kids explore creative construction through colorful magnetic shapes, supporting early STEM learning. Includes multicolored square and triangular magnetic tiles for building endless shapes and structures. Key Features 42-Piece Magnetic Set: Includes multicolored square and triangular magnetic tiles STEM Educational Toy: Encourages science, technology, engineering, and math skills Safe for Ages 3+: Designed for safe play for children 3 years and older Safety Certified: CE and UKCA certified, tested according to international standards Product Information Product Name: JIANDJA STEM Magnetic Building Blocks 42 Pieces Category: Magnetic Construction Toy / STEM Building Set Color: Multicolor (green, blue, orange, purple tiles) Material: Magnetic Sheet Pieces: 42