Navigating our way to building a "yes" space with has endless possibilities! Once I got rid of all the passive toys(milder way of saying battery operated, self entertaining toys), I started thinking of what can I add. I wanted to be cautious that I don't make this an expensive affair. Be more reasonable understanding this is an experiment but also knowing that I should try! Reading through a lot of article, experiences etc, there was a very common theme in all of them. RE-USABLE!!! I am learning as I go too, so from how I have interpreted this is - You want to add things that are natural can be re-purposed in various different way in various different types of activities. Here are some examples : Play Dough Wooden blocks Sand Water Paint Sticks, leaves, pine cones etc They are sounds simple, doable and things that make sense. These don't cost a fortune too, so I started with them. I already had some like play dough, sand, etc. An