It took them about six to seven weeks to put the whole structure together to make it the largest marble run in the world. Talking about how he would take some time off after work, Laurence said ...

As the large marble rolls down, it creates a satisfying sound, making the entire setup an engaging and entertaining experience. Enjoy the craftsmanship and ingenuity behind this marble ball run race!

Meet the 'Marble Tsunami.' This large marble run will be set up at an indoor playground in the Netherlands and will need to feature a noise-dampening surround because, as you can probably guess ...