cheerful cactus with a party hat, watercolor style, white background cute and fun artwork for kids rooms and home decor, ideal

background character relaxing celebration cactus sketch playful adorable party kids gift vibrant white happy watercoloring calm rooms lovers art poster wall uplifting botanic decoration watercolor decor smile hanging succulent hat quirky nature homeware plant design colorful nursery unique style cheerful draw festive enthusiasts paint home artwork cute element brush