whimsical, hand-drawn with crayons, red and blue whales in sea seamless pattern for kids and babies

art baby backdrop background children colorful crayon crayons drawing drawn element fun funky hand horizontal irregular kid marine maritime nantucket nautical navy objects ocean pastel pattern pencil pirate preppy print red repeat retro sail sailing sailor sea seamless shape ship summer textile travel vacation vector wallpaper waves whale whimsical yachting