The Wayback Machine - https://web.archive.org/web/20161023053828/http://www.topps.com/customer-service/card-redemptions

Card Redemptions

To activate your redemption account(s) in topps.com, please follow these simple steps:

1. Signup for a topps.com account or log into your current topps.com account (Please click on the “Log In” link located in the upper right-hand corner)

2. Click on the REDEMPTION link on the left-hand side of the screen

3. Follow instructions 

You will be required to create a topps.com account (or use an existing account) to merge your open redemptions accounts into one.