I may not buy the best marbles, Furious Ball, but I sure can use them!

How much fun can you have with an empty room and a bag of marbles?



No furniture means you can throw them all over the place.









That clear one bounced straight into my camera just after I snapped this picture.







Starting to get bored....







So, the answer is:

A lot! But clean up sucks and you will find marbles all over the house for the next week or so.