With a cheerful dinosaur in a bathtub, scale decides whether the bathroom wakes up. Go too small and it disappears into the tiles; sized properly it becomes the one thing people smile at. The white background does the heavy lifting here, so the wall stays bright and the room feels bigger, not busier. Hang it on the wall facing the bath, or above a low cabinet or towel rail where it sits at child eye-level. Pair it with white ceramics, chrome taps, pale wood shelving and plain cotton towels. Don’t crowd it with loud patterned tiles or a shelf of clutter directly underneath this one needs a little quiet around it to land its joke. On premium fine-art paper, the soft washes and pale bubbles stay clean and light.