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 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

TECHING Full Metal L4 Engine Model Kit 4 Cylinder Engine Kit Car Engine Model Upgraded Version