Play indoor can be looked so baring, but with simple trick it will be more fun. If your kids are not allowed to play outside because of the weather, you can ask them to play just inside your house such as build a camp. Make sure you have already provided a teepee to let them play.
Why not creating something for children that will make them happy? Just like build a treehouse for them at your backyard. However, it needs large space to build a treehouse for children. Then, you have to spend more budget and time, but you will get amazing result. They will enjoy the time playing at treehouse with useful activities. Take a look further at wooden tree house designs below;