Variant Config Scenario Solution

Hello All

I need a solution for My Business.

My Business is having Lot of Kits, which will have different components but customer will select each component from each Pat type.

Example:

Kit is Asus Mother Board Kit This is Configurable material. ASUSKIT is my material number This is MTO Material.

Under this ASUSKIT we have selection for Mother Board ASUSMB1, ASUSMB2, ASUSMB3 and second selection is RAM

ASUSRAM1, ASUSRAM2, ASUS RAM3, third selection is Harddrive, ASUSHARD1, ASUSHARD2, ASUSHARD3.

Customer will have a chance to select only one component from each selection.

Mother Boards, Rams, Hard drive are Stockable materials . some times they sell these items as finished goods with out kits.

So Please give me inputs how we do that in SAP.

Thanks