Marble Run Loop Expansion Pack Puzzles with 500 pieces Open the hinged treehouse doors

Open the hinged treehouse doors

It can be easily removed by children so move them around and challenge their creativity

Multi-activity cards

Completing puzzles helps children build important skills such as:

Visualization

Marble Run Loop Expansion Pack Puzzles with 500 pieces Open the hinged treehouse doorsMarble Run Loop Expansion Pack With the Gecko Run: Loop Expansion Pack, you can bring even more speed, action, and experimental fun to your Gecko Run marble run. How much speed does the marble need to race perfectly through the loop? Experiment and find out! The Loop Expansion Pack comes with over a dozen pieces to complement the Gecko Run Starter Set, including a loop stunt; additional marbles and nano adhesive pads; 2 extra tracks; and more.