NIKOLATOY®Highly restored 9-cylinder Radial engine model Teching 219pcs 3D Metal Pumping

Teching 219pcs 3D Metal  Pumping Unit Model DIY Assembly Model Science Education Toy Gift

Product Name：NikolaToy™ High tech desktop ornaments - suspended lights

independent switch

Process: High precision 3D printing

enjoy humidification and watch the water drop back

NIKOLATOY®Highly restored 9-cylinder Radial engine model Teching 219pcs 3D Metal PumpingDescription Radial engine is a reciprocating internal combustion engine in which cylinders are arranged around the crankshaft. Before the emergence of turbo engines, the majority of large aircraft engines used star shaped designs. It is a very classic engine model, and its cover can be opened to allow learners to see the structure inside more clearly