Mechanical Puzzles

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Scientific Experiment Wooden DIY Tracking Car Assembly Model Technology Production Material Package $12.95 Save $8.00 (38%) $20.95
DIY Laser Engraving Machine Parts X Moving Skateboard Kit Be Suitable for V-Slot Aluminum Profile $33.95 Save $20.05 (37%) $54.00
1/144 -71A Blackbird Reconnaissance Plane Airplane for Kids Adult Home Office Decor $28.95 Save $3.00 (9%) $31.95
4X Heartbreak Wire Brain Teaser Metal Puzzle $12.95
2X Brain Teaser Puzzle 3D Unlock Decompression Toys for Adults Kids IQ Challenge Games Metal Puzzles Educational Toy $15.95 Save $7.00 (30%) $22.95
Super Slide Puzzle Hand Held Travel Games for Kids 8-12 Brain Teaser Toys Road Trip Activities for Child Kids Birthday $37.95 Save $31.05 (45%) $69.00
Code Mini Lock Puzzle Box with Hidden Compartment Anniversary Code Lock As Boy and Girl $47.95 Save $36.05 (42%) $84.00
100 Pcs Metal Engraving Blanks Colorful Aluminum Sheet Laser Engraving Business Card DIY Cards 86x54x0.2mm (5Color) $16.95 Save $11.00 (39%) $27.95
Wooden Building Toys, Activities Projects 3D Puzzles Music Box, Christmas Birthday Crafts for Boys Girls $24.95 Save $17.00 (40%) $41.95
DIY Book Nook Kits for Adults - Wooden - 3D Puzzle Miniature House Kit for Collectors, Garden DIY Cabin $21.95 Save $16.00 (42%) $37.95
Scientific Experiment Wooden DIY Tracking Car Assembly Model Technology Production Material Package $10.95 Save $7.00 (38%) $17.95
A Useless Box with Surprises Wooden Useless Box Fully Assembled Toy for Adults and Children Dark Wood Color $28.95 Save $18.00 (38%) $46.95
For 3D Printing Wireless Mouse DIY Model 3D Printer Parts Computer Parts $14.95 Save $10.00 (40%) $24.95
1.8 Inch TFT LCD Ultrasonic Radar Detection Scanning Programming for R3 Student Detection Robot DIY $48.95 Save $10.05 (17%) $59.00
3D Maze Children'S Educational Toys Puzzle Speed Cube Logical Thinking Anti Stress Toys $11.95 Save $7.00 (36%) $18.95
3D Puzzles Maze Six-Sided Transparent Speed Cube Cubes Maze Toys for Children'S Educational Toy Birthday $9.95 Save $7.00 (41%) $16.95
Self-Propelled Sailboat Wooden Boat Model Assembly Kit DIY Assembly Toys Children'S Handmade Toys $11.95 Save $8.00 (40%) $19.95
DIY FM Radio Model Wood Science Project Steam Model for Children Teens Birthday $13.95 Save $9.00 (39%) $22.95
3D Puzzles Maze Magic Cube Six-Sided Transparent Speed Cube Cubes Maze Toys for Children'S Educational Toy Birthday $9.95 Save $5.00 (33%) $14.95
Brain Teaser Metal Puzzle Toy Zinc Alloy Electroplated Portable 3D Unlock Interlocking Puzzle $16.95 Save $5.00 (22%) $21.95
Brain Teaser Puzzle Wooden Threading Rope Loop Puzzle Brain Teaser Game Adult Kids Toy Puzzles for Adults $16.95 Save $8.00 (32%) $24.95
Wooden Three-Dimensional Assembly Retro Lamp Handmade DIY Assembly Lantern Desktop Ornaments Ancient Style $19.95 Save $17.00 (46%) $36.95
Annoying Nested Screw Box - Reusable Funny Prank Box for Christmas, WhiteElephant & Birthdays for Card B $12.95
DIY RC Car Toys Assembly Wooden Building Vehicle Toys Racing Car Toy Scientific Experiment Model Kits Gift for Kids $10.95 Save $7.00 (38%) $17.95