Size | Four -column hourglass 30 minutes white box blue sand, Four -column hourglass 30 minutes white frame green sand, Four -column hourglass 30 minutes white frame powder sand, Four -column hourglass 30 minutes white -frame purple sand, Four -column hourglass 30 minutes black frame white sand, Four -column hourglass 30 minutes black frame blue sand, Four -column hourglass 30 minutes black frame powder sand, Four -column hourglass 30 minutes black frame purple sand, Four -column hourglass 30 minutes black frame green sand, Four -column hourglass 15 minutes white box blue sand, Four -column hourglass 15 minutes white box green sand, Four -column hourglass 15 minutes white frame powder sand, Four -column hourglass 15 minutes white -frame purple sand, Four -column hourglass 15 minutes black frame white sand, Four -column hourglass 15 minutes black frame blue sand, Four -column hourglass 15 minutes black frame powder sand, Four -column hourglass 15 minutes black frame purple sand |