Looking for a summer activity to keep your kids busy? Try the gift that really keeps giving: summer dessert cooking workshops led by some of the top chefs behind Harbour Plaza 8 Degrees. This Monday, kids can learn how to make a decadent Mango Napoleon, a light, creamy pastry filled with custard cream topped with sliced almonds and Carabao mango. 3:30-4:30pm. 199 Kowloon City Rd., To Kwa Wan. $380 per child, $200 per adult.