MAKE 25

Retired mechanical contractor Bill McHugh has spent more than 40 years creating fun kinetic sculptures that run on air, sun, water, birds, and most typically, squirrels.

John Wells’ Bike-O-Worsher works just like any washing machine — you pedal forward for the agitation and pedal backwards for the spin cycle.

Chris Bathgate’s intricate sculptures showcase the perfection of metal and the nuts and bolts of machining.

Artist Michel de Broin affixed pieces of mirror to a rock, maintaining its contours, until the rock’s surface was entirely covered in mirrors.

Jay Baldwin has designed and built a prototype for a collapsible camper top that transforms a standard-sized pickup truck into a fuel-efficient, highly maneuverable recreational vehicle.

Using just small hand tools, enormous patience, and lots of toothpicks, Steven J. Backman creates amazingly intricate works of art.