What To Do During School Holidays?

Lucas will be having one month school holidays in 2 weeks and we are cracking our head. What can he do to keep himself busy and let us stay sane?
I catched up with a friend with 3 kids and she gave me loads of ideas! Take the double decker bus on the city Hop-In Hop Out, Go to High-5 bread showhouse, Domino's Pizza showhouse, Selangor Petwer School of Hardknock, speech and drama class, holiday camps etc.
Now....am I so hardworking to do these activities with him? Let's see....