UGEARS Date Navigator Wooden Mechanical Model

Steampunk Clock Ugears 3D Mechanical Model, Self-Assembling DIY Craft Set, Wooden Box School Project

UGears UTG0017 Combination Lock Wooden 3D Mechanical Puzzle

S.T.E.A.M. Line Toys UGears Models 3-D Wooden Puzzle - Mechanical Clockwork Timer

UGEARS Dynamometer - Mechanical Model Construction Kit 3D Wooden Puzzle for Self-Assembly Without Glue - Brainteaser for Kids, Teens and Adults

UGEARS U-Fidgets-Tribiks for Self - Assembling, Anti-Stress Mechanical Model -Creaition

S.T.E.A.M. Line Toys UGears Mechanical Models 3-D Wooden Puzzle - Mechanical Pneumatic Engine

UGears Mechanical Models 3-D Wooden Puzzle - Mechanical Treasure Box

S.T.E.A.M. Line Toys UGears Models 3-D Wooden Puzzle - Mechanical Theater