Magnetic Stick N Stack Tiles 3D Construction Building Blocks Award Winning STEM Educational Accessories Set with 4 Freestanding Arches

Easy Addition to any Magnetic Tiles Set! Build Arched Roofs Tunnels Dome Structures and more New and Improved Arch Design Makes Arches Stay in Place Manufactured by Magnetic Stick N Stack. Now Built with Power+Magnets! 3 X Stronger than other Magnetic Tiles Brands! Great for Building that will Last! Packaged in a Beautifully Designed Box. Makes a Perfect Gift! Safety Tested According to American Guidelines Set Includes 4 1/4 Freestanding Arches in Red Blue Yellow and Green