If you’re looking for an alternative to traditional tablets for your kid, perhaps you should consider an ebook reader. The Kindle Paperwhite Kids — which is essentially identical to the standard Paperwhite but with a couple of added freebies — would be a great place to start. It’s now on sale at Amazon for $114.99 ($55 off) with a playfully designed magnetic protective case in either dark and light green or yellow and purple. That’s only $5 more than the all-time low that was…