Botanics / String of Pearls
Help kids stretch their brains and bodies with these 10 indoor activities. From animal moves to pom-pom races, there's something for every age.
Don't step on the lava where the floor is lava (awesome for an indoor activity)
pretend boat made from a laundry basket
Geodesic Dome cardboard house - Fun things to do with your kids on cold days! Lots of ideas in this post from Little Girl's Pearls!
Cardboard tube car ramps for play!
over at "toddler approved is a great homemade croquet course. Easy and Cheap! may be a winner
10 fun indoor activities for kids | The Stressed Mom More
Indoor rainy day activities for toddlers to do