Official FLSUN SuperRacer Lattice Glass Plate Delta SR 3D Printer Parts Coated Platform for Hotbed Heat Bed Accessories
US $19.76
EU 25,59€
https://s.click.aliexpress.com/e/_oD2SKiK

Trianglelab KMS V1.0 Klipper Multi Color System Kms MMU KMS is an automatic consumables changer based on the Klipper system
US $112.00(no board)/ $236.00(full)
EU 121,99€(no board)/ 256,69€(full)
https://s.click.aliexpress.com/e/_oB5p8US

For K1/K1 Max Extruder Stepper Motor with Motor Extrusion Mechanism Kit 12 Tooth Gear for Creality K1/K1 Max 3D Printer Parts
US $4.55
EU 9,39€
https://s.click.aliexpress.com/e/_oDtC8Vo