![Amazon.com: UGEARS 3D Puzzle Marble Run Chain - Creative 3D Wooden Puzzles for Adults with Rubber Band Motor - Marble Run Chain Wood Model Kit - Unique Wooden Puzzle - 3D Puzzles Amazon.com: UGEARS 3D Puzzle Marble Run Chain - Creative 3D Wooden Puzzles for Adults with Rubber Band Motor - Marble Run Chain Wood Model Kit - Unique Wooden Puzzle - 3D Puzzles](https://m.media-amazon.com/images/I/81h1aoDbGNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS 3D Puzzle Marble Run Chain - Creative 3D Wooden Puzzles for Adults with Rubber Band Motor - Marble Run Chain Wood Model Kit - Unique Wooden Puzzle - 3D Puzzles
![Amazon.com: UGEARS 3D Puzzles Wooden Box - DIY Cash Register with Money Box - Exclusive Wooden Model Kits for Adults to Build - Vintage Wooden Mechanical Models - Self Assembly Woodcraft Construction Amazon.com: UGEARS 3D Puzzles Wooden Box - DIY Cash Register with Money Box - Exclusive Wooden Model Kits for Adults to Build - Vintage Wooden Mechanical Models - Self Assembly Woodcraft Construction](https://m.media-amazon.com/images/I/81Kv6bMT0xL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS 3D Puzzles Wooden Box - DIY Cash Register with Money Box - Exclusive Wooden Model Kits for Adults to Build - Vintage Wooden Mechanical Models - Self Assembly Woodcraft Construction
![Amazon.com: UGEARS Archballista and Tower Wooden 3D Puzzle - Mechanical Model for Self Assembly - Laser-Cut DIY Kit : Toys & Games Amazon.com: UGEARS Archballista and Tower Wooden 3D Puzzle - Mechanical Model for Self Assembly - Laser-Cut DIY Kit : Toys & Games](https://m.media-amazon.com/images/I/81JzlWgjc0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Archballista and Tower Wooden 3D Puzzle - Mechanical Model for Self Assembly - Laser-Cut DIY Kit : Toys & Games
![Amazon.com: UGEARS 3D Puzzles Research Vessel - DIY Model Ship 3D Idea - Unique and Creative Wooden Mechanical Models - Self Assembly Woodcraft Construction Kits : Toys & Games Amazon.com: UGEARS 3D Puzzles Research Vessel - DIY Model Ship 3D Idea - Unique and Creative Wooden Mechanical Models - Self Assembly Woodcraft Construction Kits : Toys & Games](https://m.media-amazon.com/images/I/81GYdGrdfAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS 3D Puzzles Research Vessel - DIY Model Ship 3D Idea - Unique and Creative Wooden Mechanical Models - Self Assembly Woodcraft Construction Kits : Toys & Games
![Amazon.com: UGEARS Desert Buggy - 3D Puzzle for Kids and Adults - Small Motor Vehicle Mechanical Model Kit - Wooden Model Kits for Adults to Build - Easy Self-Assembling - Gorgeous Gift Amazon.com: UGEARS Desert Buggy - 3D Puzzle for Kids and Adults - Small Motor Vehicle Mechanical Model Kit - Wooden Model Kits for Adults to Build - Easy Self-Assembling - Gorgeous Gift](https://m.media-amazon.com/images/I/71k+zdUmq-L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: UGEARS Desert Buggy - 3D Puzzle for Kids and Adults - Small Motor Vehicle Mechanical Model Kit - Wooden Model Kits for Adults to Build - Easy Self-Assembling - Gorgeous Gift
![Amazon.com: UGears Mechanical Town Series Tram Line Mechanical Wooden Model Kit 3D Puzzle Assembly : Toys & Games Amazon.com: UGears Mechanical Town Series Tram Line Mechanical Wooden Model Kit 3D Puzzle Assembly : Toys & Games](https://m.media-amazon.com/images/I/81u2zxgLi-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGears Mechanical Town Series Tram Line Mechanical Wooden Model Kit 3D Puzzle Assembly : Toys & Games
![Amazon.com: UGears DIY Self-Propelled UGM-11 Truck Mechanical Model 3D Wooden Puzzle Kit : Ukrainian Gears: Toys & Games Amazon.com: UGears DIY Self-Propelled UGM-11 Truck Mechanical Model 3D Wooden Puzzle Kit : Ukrainian Gears: Toys & Games](https://m.media-amazon.com/images/I/61zyKyxR8NL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGears DIY Self-Propelled UGM-11 Truck Mechanical Model 3D Wooden Puzzle Kit : Ukrainian Gears: Toys & Games
![Amazon.com: UGEARS Sports Car Rapid Mouse - 3D Car Model Puzzle with Powerful Dual Engine System - 3D Wooden Puzzles for Adults - Challenging Roadster Model Car Kits to Build - DIY Amazon.com: UGEARS Sports Car Rapid Mouse - 3D Car Model Puzzle with Powerful Dual Engine System - 3D Wooden Puzzles for Adults - Challenging Roadster Model Car Kits to Build - DIY](https://m.media-amazon.com/images/I/816JiNIfagL.jpg)
Amazon.com: UGEARS Sports Car Rapid Mouse - 3D Car Model Puzzle with Powerful Dual Engine System - 3D Wooden Puzzles for Adults - Challenging Roadster Model Car Kits to Build - DIY
![Amazon.com: UGears Fire Engine with Ladder Mechanical Wooden Model 3D Puzzle Assembly Kit : Toys & Games Amazon.com: UGears Fire Engine with Ladder Mechanical Wooden Model 3D Puzzle Assembly Kit : Toys & Games](https://m.media-amazon.com/images/I/816W75-MYvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGears Fire Engine with Ladder Mechanical Wooden Model 3D Puzzle Assembly Kit : Toys & Games
![Amazon.com: UGEARS Tourbillon Table Clock Kit - Sky Watcher 3D Wooden Puzzles Mechanical Clock Kit Idea DeskWood Clock Kits to Build - 3D Puzzles Model Kits for Adults : Toys & Games Amazon.com: UGEARS Tourbillon Table Clock Kit - Sky Watcher 3D Wooden Puzzles Mechanical Clock Kit Idea DeskWood Clock Kits to Build - 3D Puzzles Model Kits for Adults : Toys & Games](https://m.media-amazon.com/images/I/81ByTsooMAL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Tourbillon Table Clock Kit - Sky Watcher 3D Wooden Puzzles Mechanical Clock Kit Idea DeskWood Clock Kits to Build - 3D Puzzles Model Kits for Adults : Toys & Games
![Amazon.com: UGEARS STEM Lab Math Series - Unique Educational and Engineering 3D Puzzles with App (Counter) : Toys & Games Amazon.com: UGEARS STEM Lab Math Series - Unique Educational and Engineering 3D Puzzles with App (Counter) : Toys & Games](https://m.media-amazon.com/images/I/61U3S-eUpdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS STEM Lab Math Series - Unique Educational and Engineering 3D Puzzles with App (Counter) : Toys & Games
![Amazon.com: Ugears 70058 3D Express Steam Locomotive Wooden Puzzle Model Building Set Thinking Game DIY Puzzle Learning Toy Environmentally Friendly HOL Model Kit Wooden : Toys & Games Amazon.com: Ugears 70058 3D Express Steam Locomotive Wooden Puzzle Model Building Set Thinking Game DIY Puzzle Learning Toy Environmentally Friendly HOL Model Kit Wooden : Toys & Games](https://m.media-amazon.com/images/I/41Uh35ol9dL.jpg)
Amazon.com: Ugears 70058 3D Express Steam Locomotive Wooden Puzzle Model Building Set Thinking Game DIY Puzzle Learning Toy Environmentally Friendly HOL Model Kit Wooden : Toys & Games
![Amazon.com: UGEARS Motorcycle with Sidecar 3D Puzzles - UGR-10 Motorcycle Scrambler Wooden Model Kits for Adults to Build - Retro Design Sidecar Motorbike Model Kit with Band Motor : Toys & Games Amazon.com: UGEARS Motorcycle with Sidecar 3D Puzzles - UGR-10 Motorcycle Scrambler Wooden Model Kits for Adults to Build - Retro Design Sidecar Motorbike Model Kit with Band Motor : Toys & Games](https://m.media-amazon.com/images/I/51x32Ms10iL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Motorcycle with Sidecar 3D Puzzles - UGR-10 Motorcycle Scrambler Wooden Model Kits for Adults to Build - Retro Design Sidecar Motorbike Model Kit with Band Motor : Toys & Games
![Amazon.com: UGEARS Mechanical Celesta 3D Puzzles - Musical Instruments 3D Wooden Puzzles for Adults and Kids - 3D Wooden Puzzle Musical Model Kits with Piano, Music Box and Wood Xylophone - DIY Amazon.com: UGEARS Mechanical Celesta 3D Puzzles - Musical Instruments 3D Wooden Puzzles for Adults and Kids - 3D Wooden Puzzle Musical Model Kits with Piano, Music Box and Wood Xylophone - DIY](https://m.media-amazon.com/images/I/71S5fkK2y-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Mechanical Celesta 3D Puzzles - Musical Instruments 3D Wooden Puzzles for Adults and Kids - 3D Wooden Puzzle Musical Model Kits with Piano, Music Box and Wood Xylophone - DIY
![Amazon.com: UGEARS Vintage Alarm Clock 3D Puzzle - Wooden Model Kit for Adults to Build - Mechanical Model Desk Clock Making Kit - 3D Jigsaw Puzzle Wood Toy Clock - DIY Brain Amazon.com: UGEARS Vintage Alarm Clock 3D Puzzle - Wooden Model Kit for Adults to Build - Mechanical Model Desk Clock Making Kit - 3D Jigsaw Puzzle Wood Toy Clock - DIY Brain](https://m.media-amazon.com/images/I/71tHgyIWSsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Vintage Alarm Clock 3D Puzzle - Wooden Model Kit for Adults to Build - Mechanical Model Desk Clock Making Kit - 3D Jigsaw Puzzle Wood Toy Clock - DIY Brain
![Amazon.com: UGEARS Dynamometer - Mechanical Model Construction Kit 3D Wooden Puzzle for Self-Assembly Without Glue - Brainteaser for Kids, Teens and Adults : Toys & Games Amazon.com: UGEARS Dynamometer - Mechanical Model Construction Kit 3D Wooden Puzzle for Self-Assembly Without Glue - Brainteaser for Kids, Teens and Adults : Toys & Games](https://m.media-amazon.com/images/I/71qPQlRH6VL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Dynamometer - Mechanical Model Construction Kit 3D Wooden Puzzle for Self-Assembly Without Glue - Brainteaser for Kids, Teens and Adults : Toys & Games
![Amazon.com: UGEARS Wooden Marble Run Kit - 3D Puzzle Wood Marble Run Stepped Hoist with 3-Stepped Lift Mechanism and 10 Marbles - Kinetic DIY Marble Run Wooden Puzzle - 3D Wooden Puzzles Amazon.com: UGEARS Wooden Marble Run Kit - 3D Puzzle Wood Marble Run Stepped Hoist with 3-Stepped Lift Mechanism and 10 Marbles - Kinetic DIY Marble Run Wooden Puzzle - 3D Wooden Puzzles](https://m.media-amazon.com/images/I/81zU1a5LsjL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Wooden Marble Run Kit - 3D Puzzle Wood Marble Run Stepped Hoist with 3-Stepped Lift Mechanism and 10 Marbles - Kinetic DIY Marble Run Wooden Puzzle - 3D Wooden Puzzles
![Amazon.com: UGEARS Pickup Lumberjack 3D Puzzle - Classic 1950s Pickup Truck 3D Wooden Puzzles for Adults and Kids with Powerful Spring Motor - Detailed Car Model Kit - DIY Model Car Kits Amazon.com: UGEARS Pickup Lumberjack 3D Puzzle - Classic 1950s Pickup Truck 3D Wooden Puzzles for Adults and Kids with Powerful Spring Motor - Detailed Car Model Kit - DIY Model Car Kits](https://m.media-amazon.com/images/I/71yHTwZaICL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Pickup Lumberjack 3D Puzzle - Classic 1950s Pickup Truck 3D Wooden Puzzles for Adults and Kids with Powerful Spring Motor - Detailed Car Model Kit - DIY Model Car Kits
![Amazon.com: UGEARS Vintage Car Model Kit - Drift Cobra Racing Car 3D Puzzle Kit Idea - Wooden 3D Puzzles Model Kits for Adults with Powerful Spring Motor - Model Car Kits to Amazon.com: UGEARS Vintage Car Model Kit - Drift Cobra Racing Car 3D Puzzle Kit Idea - Wooden 3D Puzzles Model Kits for Adults with Powerful Spring Motor - Model Car Kits to](https://m.media-amazon.com/images/I/51mrsiTX1kL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Vintage Car Model Kit - Drift Cobra Racing Car 3D Puzzle Kit Idea - Wooden 3D Puzzles Model Kits for Adults with Powerful Spring Motor - Model Car Kits to
![Amazon.com: UGEARS Classic Model Car Kit - 3D Puzzles for Adults and Kids with Folding Roof and Functional 4 Cylinder Engine - Model Car Kits for Adults 3D Wooden Puzzles - DIY Amazon.com: UGEARS Classic Model Car Kit - 3D Puzzles for Adults and Kids with Folding Roof and Functional 4 Cylinder Engine - Model Car Kits for Adults 3D Wooden Puzzles - DIY](https://m.media-amazon.com/images/I/71RA+R6MdrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGEARS Classic Model Car Kit - 3D Puzzles for Adults and Kids with Folding Roof and Functional 4 Cylinder Engine - Model Car Kits for Adults 3D Wooden Puzzles - DIY
![Amazon.com: UGears Mechanical Models 3-D Wooden Puzzle - Mechanical Hurdy-Gurdy Musical Instrument : Toys & Games Amazon.com: UGears Mechanical Models 3-D Wooden Puzzle - Mechanical Hurdy-Gurdy Musical Instrument : Toys & Games](https://m.media-amazon.com/images/I/71M8G-K3IxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: UGears Mechanical Models 3-D Wooden Puzzle - Mechanical Hurdy-Gurdy Musical Instrument : Toys & Games
![Amazon.com: UGEARS Windstorm Dragon 3D Puzzle - Self-Assembly 3D Wooden Puzzles for Adults and Kids - Realistic 3D Dragon Puzzle Wood Model Kit with Rubber Band Motor - Laser-Cut Wooden Puzzle Mechanical Amazon.com: UGEARS Windstorm Dragon 3D Puzzle - Self-Assembly 3D Wooden Puzzles for Adults and Kids - Realistic 3D Dragon Puzzle Wood Model Kit with Rubber Band Motor - Laser-Cut Wooden Puzzle Mechanical](https://m.media-amazon.com/images/I/7159Xrf1CBL._AC_UF894,1000_QL80_.jpg)