Description:

• A marble run and building set for boys and girls age 8 and up - over 10 million sold worldwide
• Includes 409 pieces, 2ft x 4ft building area, and instructions for 7 ready-to-build track layouts
• A perfect gift for imaginative kids who love to build
• Customize track layouts to power the marbles to the finish
• Build higher, 3-dimensional tracks with pillars, walls and balconies.
• Configure elements in unique ways to perform marble stunts