There are 4 main groups of parts needed to build the AR4 robot:
AR4 Combo Kit - This includes all the aluminum structural components, hardware components and primary electrical components.
Stepper Motors and Drivers - These are available at the lowest price; factory direct from Stepperonline (see link on this page).
3D Printed Components - You will need to 3D print your covers and spacers in any color you choose.
Misc. Components - Please see the bill of materials in the AR4 build manual for the miscellaneous materials you may need.
When placing your order please add any necessary VAT or EORI numbers for overseas orders in the order notes section.