If you've been scrolling through craft shops or Instagram wondering whether to pick up acrylic or oil paint by number kits, you're not alone. We've tested dozens of sets over the past two years from budget high-street boxes to premium canvas kits and the type of paint makes a bigger difference than most beginners expect. Painting with numbers should feel relaxing, not stressful, and the wrong medium can turn a cosy Sunday project into a sticky, smelly mess. This guide break