There are pros and cons to both paint by numbers printables and canvas. Let's start with printables. The Pros: 1. You can find them for free online. 2. They're easy to use. 3. You can print them out as many times as you want. The Cons: 1. The colors might not be exact. 2. They can be hard to find in the right size. 3. You have to have a printer. Now let's talk about canvas. The Pros: 1. The colors are more exact. 2. You can buy them in any size. 3. They're easy to use. The Cons: 1. They're more expensive. 2. You have to wait for them to dry. 3. You can't reuse them.