TECHING

TECHING 1:3 Full Metal V8 Car Engine Model Kit - DIY Mechanical Assembly Educational Toy with 500+ Pcs - Build Your Own Engine

TECHING Full Metal V4 Engine Model Kit 4-Cylinder Car Engine Assembly Kit: Ideal for Industry Research/Education/Gifts

TECHING 5 Cylinder Radial Engine Model Kit - 1:6 Full Metal Aircraft Engine - Build Your Own Radial Engine

TECHING V2 Engine Assembly Kit Full Metal VTwin Double-Cylinder Engine Model Kit for Collecting/Decorating/Education

TECHING 1:10 Full Metal Mini L4 Diesel Engine Model Kit - DIY 4 Cylinder OHV Engine

TECHING 219pcs 3D Metal Oil Pump Jack Model Kit - DIY Assembly Science Education Toy Gift with Light Oil Rig Educational Collection

TECHING All-metal Single-cylinder Car Engine Assembly Kit for Collection and Gift

TECHING 160PCS DIY Metal Robot Tank Building Kit with Bluetooth Speaker&Remote Control&Puzzle Engine Assembly

TECHING Mini APP-Controlled DIY Assembly Metal Red Tractor Model Remote Control Educational Toy & Gift Collection

TECHING Full Metal Steam Car Engine Model Assembly Kit - High Challenge Collector's Gift and Decor

TECHING Full Metal Stirling Engine & Pedestrian Robot Engine Building Kit - DIY Model Collection & Science Toy Gift

TECHING Full Metal Aluminum Alloy Galileo Pendulum Clock Stirling Engine Assembly Kit Building Toy Gift

TECHING Aluminum Alloy Single Cylinder Car Engine Assembly Model Building Kit for Gift&Collect

TECHING Creative Retro Tractor & Car Metal RC Assembled Model Kit - High Challenge Electric Gift Collection

TECHING 310+pcs Vintage Classic Car & Engine Assembly Kit Mini Electric Single-Cylinder Metal Mechanical Model Toy with for Educational Collection

TECHING 387 pcs All Aluminum Steam Locomotive Train Assembly Kit with Tracks-STEM Toys Gifts