Keep an eye out at Kasturi Walk — you're bound to uncover some treasure or trinket in one of its many stalls. After you've had a thorough browse of things, try some fare from one of the local food vendors.
You'll soon discover why this Golden Triangle community marketplace is popular with travelers. If you're searching for other things to keep you busy, Petronas Twin Towers, Petaling Street, and Merdeka Square are in the area as well. They won't take long to get to from Kasturi Walk.