Please create a series of color-pencil clipart illustrations featuring different items related to summer. Each illustration should be drawn in a playful and cheerful style that captures the vibrancy and warmth of the season. Items to include can be beach balls, watermelons, sun hats, flip-flops, and ice cream cones. Please use a colorful and coherent color palette that is bright and evokes the feeling of warmth and sunshine. Colors that are associated with summer, such as yellows, oranges, pinks