To reach our office take the metro line B and get off at Cavour station, take the exit with the stairs you will be on Via Cavour. Please walk down on Via Cavour and just before arriving in Largo Corrado Ricci turn left in via del Colosseo and walking up on Via del Colosseo you will see a little square with the restaurant and our office. This is Via Frangipane 30
You can cancel up to 24 hours in advance of the experience for a full refund.
Unless you're an absolute history buff, the express tour should suffice if you want the nuts and bolts about the Colosseum.