The walls would be splatter paint
DIY: namaluj sobie gwieździste niebo na ścianie! magiczny dom How to paint stars with twinkles - Mural Joe **the best stars yet! (and I'm becoming an armchair expert)
Description: Our Snoopy canvas art shows the Peanuts character in rainbow silhouette with multicolored splatter paint. This art is the perfect addition to to any child’s bedroom, playroom or nursery.