Lyme Disease Action is registered for giving by eBay.

eBay users can contribute by choosing to donate a proportion of the proceeds of any item they sell.

When you create your listing you can choose to donate between 10% and 100% of the final sale value. Click on the “Select another charity” link, enter “lyme” in the search box and choose Lyme Disease Action. Your contribution is taken automatically from your credit card or Direct Debit that
you normally use to pay eBay fees.

You can find more information at:

http://pages.ebay.co.uk/help/sell/selling-nonprofit.html