She wants to feel it, try it on and tear it apart to see what happens. This limits Serena to discovering only what we, and her parents, deem appropriate for her to learn. Selective learning will continue throughout her life, unless she is a strong enough individual to reach beyond our boundaries and continue to discover for herself. She shows great promise. For example she absolutely will not eat anything that she doesn't like.
Children know how to learn.
Well-meaning adults too often limit the process. Inclusive sorting makes our goal conceivable and achievable. Believe that if it's possible in the world it's possible for you. Create an inner climate of possibility that will unshackle you form your past and allow you to create a future of your own choosing. Release yourself from the chains and fetters of limiting mental attitudes.