UGEARSDynamometer - 48 Parts - 3D Wooden Puzzle - Mechanical Model - Ugr-70005, For 14 Years & Above

UGears Mechanical Models 3-D Wooden Puzzle Mechanical Dynamometer Self Assemble Engineering Toys

UGears 3D Puzzle for Kids and Adults - Small Motor Vehicle Mechanical Model Kit - Wooden Model Kits for Adults to Build - Easy Self-Assembling - Gorgeous Gift for Boys and Girls (Mars Buggy)

UGEARS Motorcycle with Sidecar 3D Puzzles UGR-10 Motorcycle Scrambler Wooden Model Kits for Adults to Build - Retro Design Sidecar Motorbike Model Kit with Rubber Band Motor