National Geographic RTMR75 75-Piece Motorized Marble Run Kit Comprehensive Kit: This 75-piece National Geographic kit allows children to construct an intricate marble maze.

Construction Components: It includes 46 tight-fit construction pieces for building diverse marble runs and 15 marbles for play.

Motorized Elevator: A 14-piece motorized spiral elevator, standing over 1.5 feet tall, lifts marbles back to the starting point.

Educational Content: The kit comes with easy-to-use instructions and a fascinating learning guide explaining the scientific principles behind marble runs.

Age Suitability: Designed for children 8 years and up, offering endless configurations for repeated building and exploration.

Power Requirement: The motorized components require 3 AA batteries, which are not included with the kit.

Convenient Storage: A storage bag is provided for organizing the various components of the marble run kit.

Product Dimensions:

12.00 x 10.00 x 14.00 in

3.50 lbs

Shipping Dimensions:

14.00 x 12.00 x 16.00 in