110 Sesame Street books free on most online book stores
Sesame Street workshops are offering a huge number of books for free on most major book sites. Parents may want to check closely as many are still not free, but you can find a ton easily:

In addition there’s some virtual Elmo hugs on the Caring For Each Other website that can help your child navigate the next few weeks of social isolation caused by the virus. You can find that here.