Amazon FreeTime Unlimited offers unlimited access to 13,000 kids' books, movies, TV shows, educational apps, and games. For Prime members it's $2.99/month for a single child or $6.99 for a family of up to four children. Parents can set controls like time limits and content filters, and personalize the experiences of each child profile. It's available on Fire Tablets (books, videos, apps), Kindle eReaders (books), and Android phones and tablets (books, videos).
Amazon product lines include several media (books, DVDs, music CDs, videotapes, and software), apparel, baby products, consumer electronics, beauty products, gourmet food, groceries, health and personal-care items, industrial & scientific supplies, kitchen items, jewelry and watches, lawn and garden items, musical instruments, sporting goods, tools, automotive items and toys & games.