Check out these online resources for activities that you can do at home:
School Of Ruck for 5-7yrs, 7-9 yrs and 9-11 yrs is a fun-based home activity with a different session each week for 8 weeks. If you're looking for activity ideas that are rugby-based then check this program out here: SCHOOL OF RUCK
For physical training activities try England Rugby's Online Training for aged 10 and under, U11 to U14 and U15 to U18
ONLINE TRAINING SESSIONS