A tip for people looking for a decent coffee shop.. if you don't already know about it, you will because most Contiki travellers find out about it - its The Grasshopper. Ask a local and they should be able to tell you where to find it.
A great way to spend the afternoon in Paris? Grab some cheese, a baguette and some wine from the shops on the Champs Elysees and head down for a picnic in front of the Eiffel Tower!
Make a visit to the Staropramen beer factory, Staropramen is a beer made in Prague and you can tour the factory. It is close by the metro station Andel.