McDonald's Recalls Hello Kitty Themed Whistles

The video discusses the safety concerns of themed whistles distributed by McDonald's due to choking hazards. These whistles were given with Happy Meals and Mighty Kids Meals in the US and Canada. Consumers can return the whistles to any McDonald's for a free replacement toy, such as a yogurt tube or a bag of apple slices.

How many whistles were distributed in Canada according to the text?

What can consumers exchange the whistles for at McDonald's?