It's important to realize that this pushback you are seeing is not because people think girls should not play with chemistry sets. It's because, in point of fac

It's important to realize that this pushback you are seeing is not because people think girls should not play with chemistry sets. It's because, in point of fact, there _is_ a cultural force out there that exists, that insists that boys and girls are blank slates and if not for antiquated belief systems, all jobs or interests would be split 50/50 across genders. They are pushing back against the pressure to conform to this new dogma, not that they would deny any particular girl access to a "boy's things".