MEGA So - Colorful Magnetic Pipeline Building Block Set, 73 Pieces, Educational STEM Toy for Ages 3+

COMPLETE 73-PIECE SET: Includes magnetic building blocks, pipeline pieces, marble run tracks, and colorful balls for endless creative construction possibilities MAGNETIC PIPELINE SYSTEM: Features strong powerful magnets encased in smooth-edged ABS plastic that's non-toxic and BPA-free, ensuring safe play for children EDUCATIONAL STEM TOY: Develops spatial imagination, three-dimensional composition skills, and problem-solving abilities through hands-on building and marble run experimentation VERSATILE BUILDING OPTIONS: Free combination design allows children to create towers, castles, marble runs, and countless structures with variety of shapes including triangles, squares, and curved pipeline pieces INCLUDES ACCESSORIES: Comes with stickers, instruction manual, and convenient carry handle packaging for easy storage and transport