Inventory entry form

Hello there, I've had trouble doing a good search for my problem, so I thought I'd try to explain it here.

When we get new inventory in, we add them to excel. There are many different specifications to each unit, such as year, make, length, options. We have many people entering the inventory, so when we try to do a sort/filter, it's inaccurate due to typos or different wordings.

I know how to make a data validation drop-down list but I don't want every SINGLE cell to have a dropdown. I'm wondering if there is a way to have a "master field" (like the Form feature) where you select the specifications for a single unit from a drop-down and hit "Submit" and it adds the unit to the inventory list. Perhaps this would be in the first few rows on top of a sheet.

If excel is capable of this (through features or VBA), could you point me in the right direction? Thanks in advance, ladies & gents.