Marble Genius Marble Rails Extreme Set, 625 Piece Marble Run (55 Marbles, 80+ Rail Pieces, 20 Base Pieces, and More…

Make sure this fits by entering your model number.
For STEM fans who love to build: This marble rails playset contains 625 pieces total. Includes over 80 rail building pieces and 20 bases, allowing you to build massive marble rail runs
Marbles included: This set includes 55 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