market in central bangkok and the sizzler! and the plazaAnswer 2
go to the movies and pay for VIP seats
go to a spa and enjoy the relaxation
have a late night foot massage before returning to your hotel
go to MBK centre, Tokyo department store
go to eat at a food market/ centre
try eating out at MK restaurant
take a boat trip down the chaopraya river at sunset
go to the golden palace
take a trip out to the floating markets
wander through lumpini park
eat ... it is a very popular activity in Thailand
go to watch the Thai kick boxing
shopping... ah yes it had to be there didn't it!
take a cooking course (and get to eat afterwards what you cooked)
it can be a hot and hectic city, but relax and enjoy, there are some pretty cool places to hang out, one week will go far to fast for you once you get there.