UGearsAero Clock Wooden Model Kits For Adults To Build Your Own Clock - Working Pendulum Wall Clock Mechanism Kit 3-D Puzzles - DIY Mechanical 3D Puzzle for Fathers Day Functional Timepiece - 320 Pcs

UGEARS Wooden 3D Puzzles for Adults Aero Clock - Mechanical Puzzles for Adults, Wall 3D Clock Puzzle with Pendulum Model Kit - DIY Miniature Kit Crafts Gift for Fathers Day - 320 Pcs

UGEARS Wooden 3D Puzzles for Adults - Astronomer Table Clock with Tourbillon Model Kit - Mechanical Clock Kit Functional DIY Miniature Kit Wood Crafts for Adults - Gifts For Puzzle Lovers - 338 Pieces

UGEARS Mechanical Tellurion 3D Puzzle Planetarium Solar System Model Kit for Self-Assembly Idea Earth and Moon Jigsaw 3D Wooden Puzzles for Adults Rotating Astronomy