The alternative is to buy coloring books in a shop or order the physical coloring book online. If you order the physical book online, it can take ages to receive it. Then you have to wait for the item to be delivered. If you buy a coloring product in digital form, you receive it within minutes of purchase. Normally, once your payment is made, an email is instantly sent to you and includes your purchase.
In the context of Winnie the Pooh coloring pages, many parents are a little hesitant to purchase them on the basis that they are a finite resource, in other words, once they have been colored in they will no longer provide any (or at least the same) degree of entertainment and pleasure as they did previously. From a economic/capitalist perspective, such concerns are perfectly understandable, although like anything else in the world, in order to reach a more balanced and accurate conclusion it is necessary to consider all of the different variables that are in play.
There are Spongebob coloring books you can buy at many retailers or online. By doing so you will always have a stack of these coloring pages around that can be used. They don't have to be a holiday theme though to be a big hit around that time of year. You will want to get your hands on them so that you can keep everyone relaxed.