information about the exchange
1. If you click on the change link of a ball which is available for exchange, the number of this ball will be buffered.
2. Please make a picture or a detailed description of the ball, that You have to offer.
3. Please use this email address firstname.lastname@example.org and send me an email with the information from step 1 and 2. Then I will answer and we can check how we'll finish the exchange.