Marble Genius Marble Rails Starter Set: 200 Piece Marble Run

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  • For STEM fans who love to build: This marble rails starter set contains 200 pieces total and includes everything you need to get started building an engaging and creative marble rail set
  • Marbles included: This set includes 35 standard-sized glass marbles. Kiddos will love watching them fly along the marble rails
  • Designed for kids: All Marble Genius sets are challenging enough for adults and yet easy for kids to use. Our kid-friendly connectors fit together snugly and provide a stable structure
  • Free app with purchase: Download the Marble Genius instruction application for step-by-step guidance, fun challenges, and regularly updated content. iOS and Android versions
  • Endless options: All Marble Genius products are compatible. Our marble run sets, marble maze games, and accessory sets can all be used together

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