if you need to leave the table your napkin goes neatly on your chair until you return. naturally this is much more difficult to set up than a simple tower of blocks, so this variation is recommended for experts only. in front of me i had someone that was playing with a lot of confidence and with a great serve. we have to practice paying attention. the observation tower can be climbed by a series of ladders. you have to start while they are young. exactly at noon, the ladies leave. the paper should now be stuck flat down and the tear almost invisible. 