Marketing

I’m looking for help to increase the sales from my web site. I have a very niche product in a niche hobby market. I’m looking for someone that has a proven track record in niche markets. I would expect some basic research into this hobby to be done before replying.
I produce decorative architectural mouldings, in resin. These would be used to decorate dolls houses. I attend the top 4 dolls house fairs each year and advertise in all the dolls house magazines. The sales at these fairs are reasonable, with the average of only 20 sales over the two days of the fair. My web site in comparison fails miserably considering it’s worldwide. If my web site generated 2/3rds of the sales taken at a fair each week then the business would be a success. The web site is professionally produced e-commerce site www.miniaturemansions.co.uk. When goggling what I think my customer may Google I’m at the top of the first page. I think that the problem is not with the site but getting people to it. Miniature Mansions has a Face book page but I rarely know what to put on it. I do not know where I’m going wrong (if I did, I would do it) I’m sure worldwide there is a market for my product.