Mechanical Puzzles

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A Useless Box with Surprises Wooden Useless Box Fully Assembled Toy for Adults and Children Dark Wood Color $21.95 Save $15.00 (40%) $36.95
Cylinder Puzzle Toy 7 Layers Relaxing Stress Anxiety Relief Rotate Slide Brain Teaser Puzzle Toy for $13.95 Save $4.00 (22%) $17.95
Wooden Three-Dimensional Assembly Retro Lamp Handmade DIY Assembly Lantern Desktop Ornaments Ancient Style $19.95 Save $18.00 (47%) $37.95
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
Code Mini Lock Puzzle Box with Hidden Compartment Anniversary Code Lock As Boy and Girl $48.95 Save $35.05 (41%) $84.00
DIY Book Nook Kits for Adults - Wooden - 3D Puzzle Miniature House Kit for Collectors, Garden DIY Cabin $22.95 Save $15.00 (39%) $37.95
Super Slide Puzzle Hand Held Travel Games for Kids 8-12 Brain Teaser Toys Road Trip Activities for Child Kids Birthday $38.95 Save $30.05 (43%) $69.00
1.8 Inch TFT LCD Ultrasonic Radar Detection Scanning Programming for R3 Student Detection Robot DIY $47.95 Save $21.05 (30%) $69.00
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
For 3D Printing Wireless Mouse DIY Model 3D Printer Parts Computer Parts $14.95 Save $10.00 (40%) $24.95
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
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
8Pcs/Set Metal Wire IQ Test Brain Teaser Mind Puzzles Game For Adult & Children Toys $15.95 Save $5.00 (23%) $20.95
Brain Teaser Metal Puzzle Toy Zinc Alloy Electroplated Portable 3D Unlock Interlocking Puzzle $16.95 Save $5.00 (22%) $21.95
Infinity Combo Puzzle Toy Geometric Transforming Decompression Colorful Infinity Relief Toy for Chil $12.95 Save $4.00 (23%) $16.95
Annoying Nested Screw Box - Reusable Funny Prank Box for Christmas, WhiteElephant & Birthdays for Card B $13.95
IQ Teaser Unlock Toy Adult Intelligent Puzzle Lock Buckle Educational Toy - Keys Lock $11.95 Save $3.00 (20%) $14.95
Wooden Three-Dimensional Assembly Retro Lamp Handmade DIY Assembly Lantern Desktop Ornaments Ancien $17.95 Save $11.00 (37%) $28.95
A Useless Box with Surprises Wooden Useless Box Fully Assembled Toy for Adults and Children Dark Wood Color $28.95 Save $19.00 (39%) $47.95
Scientific Experiment Wooden DIY Tracking Car Assembly Model Technology Production Material Package $10.95 Save $7.00 (38%) $17.95
3D Puzzles Maze Six-Sided Transparent Speed Cube Cubes Maze Toys for Children'S Educational Toy Birthday $10.95 Save $6.00 (35%) $16.95
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
3D Maze Children'S Educational Toys Puzzle Speed Cube Logical Thinking Anti Stress Toys $11.95 Save $7.00 (36%) $18.95