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4-Cylinder V4 Stirling Engine Electricity Generator Kit - Perfect for Science Enthusiasts and Gift Collectors
Regular price $3,191.11Regular price$4,254.84Sale price $3,191.11Sale -
Miniature 12V DC Generator Kit with Voltage Regulator, Belt, and Bracket for CISON Engine Models
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Realistic 3D Metal Cobra Snake Mechanical Model Kit - 1000+ Pieces Creative DIY Gift
Regular price $1,350.84Regular price -
90-Piece Steampunk Bee Metal Model Kit - Unique Mechanical Craft for Home Decoration
Regular price $319.01Regular price -
Steampunk Wasp 3D Metal Puzzle DIY Kit - Creative Model Assembly for Teens and Adults
Regular price $1,489.13Regular price -
Bluetooth-Enabled 3D Spider Model Kit with DIY Assembly and Speaker
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DIY 3D Metal Triceratops Model Kit - 160-Piece Assembly Puzzle
Regular price $425.39Regular price -
DIY 3D Metal Brachiosaurus Model Kit - 160 Stainless Steel Pieces for Assembly Fun
Regular price $425.39Regular price -
Dynamic Butterfly Metal Model Kit with Music Box - 3D DIY Mechanical Assembly
Regular price $850.88Regular price -
Metal Tiger 3D Jigsaw Puzzle Kit - Ancient Chinese Beast Mechanical Assembly Craft
Regular price From $319.01Regular price -
DIY 3D Metallic Parasaurolophus Dinosaur Model Kit - 160 Pieces Assembly Set
Regular price $425.39Regular price -
Porsche 911 Air-Cooled Boxer Engine Assembly Kit - Realistic Working Model of Classic 6-Cylinder Engine
Regular price $3,935.72Regular price -
Build Your Own 4-Cylinder Combustion Engine Model Kit - Smithsonian Motor Works Advanced Science DIY Kit
Regular price $850.88Regular price -
DIY 3D Metal Ant Model Assembly Kit - 100 Piece Jigsaw Puzzle
Regular price $818.97Regular price -
Metal Dragon 3D Puzzle DIY Kit - Creative Assembly Model for Teens and Adults
Regular price $319.01Regular price -
16-Cylinder Stirling Engine Model Kit - Ultimate DIY Engineering Gift
Regular price $2,552.86Regular price -
Bengal Tiger & Smilodon 3D Metal Model Puzzle Kit with Colorful Wings - 700+ Pieces
Regular price $1,595.50Regular price -
High-Performance Water Cooling Fan Kit for 32cc Inline Four Cylinder Gasoline Engine
Regular price $255.19Regular price -
High-Efficiency Water Cooling Fan Kit for Inline 4-Stroke Gas Engines
Regular price $255.19Regular price -
DIY Solar System Orrery Model Kit - 200-Piece Metal Planetarium Assembly Set
Regular price $6,382.32Regular price -
DIY 3D Metal Insect Puzzle Kits - Mechanical Assembly Model Toys
Regular price From $212.64Regular price -
200ml High-Efficiency Steam Boiler Model Kit for Steam Engines and Model Boats - DIY Engineering Model
Regular price From $4,786.71Regular price$4,946.27Sale price From $4,786.71Sale -
Steampunk Butterfly Metal Model Puzzle Kit for Creative DIY Enthusiasts (150+ Pieces)
Regular price $638.14Regular price -
3D Sound-Controlled Mechanical Wasp Metal Puzzle Kit – DIY Assembly Model for Creative Minds
Regular price $1,595.50Regular price
