Description
- 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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