I know a lot of you are looking for ideas for science-related children's presents for Christmas or whatever holiday you like to celebrate this time of year. I have a couple of ideas, and hopefully you will add some of your ideas below. Not everything that helps encourage the skills of scientific tinkering is found in a science kit, and I'll provide a few ideas for toys that do this. Also, some of the best science experiments are found by using things that don't come in kits, but by following the advice in books. So I'll suggest a few books as well. Purely science kits or tools are of…