The best activity to do at home with your child is listen and move to music!
Here are some on-line resources that you and your child can also enjoy:
The San Francisco Symphony's SFS KIDS Fun and Games with Music
http://www.sfskids.org/
The Dallas Symphony Orchestra's DSO KIDS
https://www.mydso.com/dso-kids
PBS Kids Music Games
https://pbskids.org/games/music/
Twinkle Trails (You Tube) Episode 14 "Musical Instruments" https://www.youtube.com/watch?v=TZF-f9p-H-k
"Kids Orchestra Movie" (You Tube)
https://www.youtube.com/watch?v=T8XepozFRbQ&index=4&list=PLIjLo5lLJgAlpXh1ZAt_xxb1YaQSp8ils
"Little Einsteins: Quincy and Musical Instruments Mission Completion!" (You Tube)
https://www.youtube.com/watch?v=k_tpZvh0WxA
BBC School Radio Primary School Songs
https://www.bbc.co.uk/programmes/p06kc4v2