Perpetual motion machine. I could keep watching it forever. The Marble Perpetual Machine is a very unique, one-of-a-kind toy/decoration tool. Surprise your friends and make them scratch their heads with these clever toys. Every one will love it. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.
