5.1 Laboratory Exercises by Our Students Interesting exercises for "Fractal scaling" using maps No.1: Measuring coastline length No.2 Box counting of river networks No.3 Box counting of conglomerate texture No.4 Counting craters on the moon New games and an analog experiment of sand-pile model (Bak.et al,1988) No.1 3-D life game No.2,3 New board game like life game No.4 An analog experiment of sandpile model