There is so much more available online than there used to be, but as I have a very small caseload now I am not familiar with the best resources.
“Autism and Me” by Rory Hoy https://www.youtube.com/watch?v=POIJG3qmV9Q was always a favourite of mine – for training other therapists and for families.
Much depends on your child’s abilities and skills. Joining NAS is a must
as their education resources and yearly campaigns contain lovely video resources. The Jessica Kingsley website is also a fantastic resource for resources for young people themselves https://uk.jkp.com/