Chop the watermalon, red apple, peach, and kiwi into bite-sized pieces. Place 1 cup (140 g) of strawberries, 1 cup (140 g) of cherries, 1/2 of a red apple, 1/2 of a peach, and 1 kiwi on a cutting board and dice them into bite-sized pieces, measuring over 1 inch (2.5 cm) or so.