UGEARS Wooden Marble Run Kit - 3D Puzzle with 3-Stepped Lift & 10 Marbles

UGears Bike VM-02 3D Puzzle 3D Wooden Puzzles for Adults Motorcycle with Rubber Band Motor Mechanical Wooden Model Kits for Adults to Build DIY Building Set Gift for Fathers Day 189 Pcs

UGears Globus 3D Wooden Puzzles for Adults Earth Globe Wooden Model Kits for Adults to Build Mechanical Planet Building Set with Rotating Satellites Brain Teaser Puzzle Gift for Birthday 184 Pcs

UGears Marble Run Tiered Hoist – 3D Puzzle Model Kits for Adults to Build – Advanced Marble Run Wooden Model Kits with 3-Tiered Stair Lift 3D Wooden Puzzles For Adults 315 Pcs

UGears Wooden Marble Run Chain Hoist Mechanical 3D Wooden Puzzles for Adults DIY 3D Model Kits for Adults to Build Unique Brain Teaser 3D Puzzle Marble Game Gifts For Fathers Day 400 Pcs

UGears Antique 3D Puzzle Box 3D Wooden Puzzles for Adults Mechanical Treasure Chest Secret Compartment Building Set with Lock 3D Wooden Model Kits For Adults to Build Gift for Birthday 185 Pcs

UGears NASA Saturn V 3D Puzzle Space Ship Wooden Model Kits for Adults to Build Space Shuttle Building Advanced Level Rocket Ship Wood Construction Kits For Adults Men for Fathers Day 500 Pcs