The National Geographic Magnetic Marble Run STEM Kit is an innovative 150-piece construction set that combines creativity with engineering principles. This educational toy allows children to build complex marble runs using magnetic pieces that attach to any magnetic surface, encouraging problem-solving and spatial reasoning skills while providing hours of entertainment. Key features: • 150 magnetic pieces for flexible construction • Compatible with any magnetic surface • STEM-focused educational toy • Multiple track configurations possible • Develops problem-solving and engineering skills • Includes blue marbles for running the tracks • High-quality National Geographic branded product This kit is part of National Geographic's STEM Engineering series, designed to make learning fun and engaging. The magnetic pieces allow for vertical construction on magnetic surfaces like refrigerators or magnetic boards, adding a unique dimension to traditional marble runs. The set includes various track pieces, curves, funnels, and other elements that can be combined in countless ways to create exciting marble paths. Suitable for children aged 8 and up, this kit helps develop critical thinking, creativity, and understanding of basic physics concepts like gravity and momentum.