The kids create all the tracks and tricks and they work out the route they want for the marble run. There are dense networks of tracks with different tricks, catchers, levers, spirals," added Teri.

Dive into the world of creativity with a multi-piece block slider marble run! Watch as colorful marbles roll through a custom-built course, designed by assembling various blocks.

So another idea that we've had is the fact that you could have a huge marble run - like an entire wall of your den could be a marble run. How does that sound? OCEAN:Really amazing. TONY ...