UGears 3D Puzzles: Mechanical Toys That Have Spirit

Three-dimensional puzzles are popular with both kids and adults. The Ukrainian brand UGears presents a collection of moving models made of eco-friendly plywood. Some UGears wooden model kits for adults and kids represent mechanisms that existed long ago, like a mechanic cash register, windmill, or even a Hurdy-gurdy. There is a choice of retro cars and trains in the collection.