Where can I find educational mechanical engineering devices?

[Trying2Learn]

Does anyone know of a website that sells mechancial devices that demontrate the principles of mechanical engineering?

Dynamics (gyros, etc.), Fluids, Deformation, Heat Transfer, etc?

For undergraduates

 

[ChemAir]

http://www.turbinetechnologies.com/...ent-by-discipline/mechanical-engineering-labs

https://www.scientificsonline.com

Amazon

 

[Trying2Learn]

http://www.turbinetechnologies.com/...ent-by-discipline/mechanical-engineering-labs

https://www.scientificsonline.com

Amazon

Thanks!