The ¨Perpetuball Motion Machine No. 1¨ in the Salmon Run Mall in Watertown, New York. The machine has been operating since the malls opening in 1986.
<a href="//commons.wikimedia.org/wiki/User:Lallint" title="User:Lallint">Lallint</a>
<span class="int-own-work" lang="en">Own work</span>