Please find attached a couple of resources that you might find useful.
The Keeping Calm document has lots of tips from Incredible Years about parenting with the children at home, during lockdown.
The book below, that can be printed off, is a lovely book illustrated by Axel Scheffler, to help explain Coronavirus to children, if you feel it is appropriate or needed.
There is also some information about the support that Little Treasures are providing during this time, this is for all parents, but has additional information about children with special educational needs.
Keeping Calm and Providing Supportive Parenting During the Coronavirus
Coronavirus – A Book for Children
Little Treasures Support During COVID -19