Lemon Watermelon Strawberry Slush

Name: Lemon Watermelon Strawberry Slush
Prep time: 10 min
Yield: 4
Cuisine: American,
Ingredients: 2 cups (500 ml) sliced strawberries; 2 cups (500 ml) seeded watermelon chunks; 2 tbsps (30 ml) sugar; 1 cup (250 ml) ice cubes; 1/4 tsp (1 ml) pure lemon extract (club house); 10 drops red food colour (club house)