You may need to clear your browser cache in order to see the updated ‘OPEN’ status and full instructions to claim at https://rewards.etheroll.com/.
Ensure to include at least 100,000 gas in order to complete the transaction.
Once you claim your rewards ether that you receive will be shown under your ‘Internal Transactions’ tab on etherscan.io.
DICE tokens are currently locked and cannot be transferred during the 7 day rewards period. If you attempt to transfer tokens during the rewards period you will need to recreate the transfer after the rewards period has closed in order to complete the transfer.