Although all Tate galleries are closed there are lots of activities for kids on the site https://www.tate.org.uk/kids

Get Creative   Make Pop Art like Warhol – Decorate Spring Eggs – Paint like Turner ……

Games & Quizzes    Which Art Animal are You? – Which Artist Should Design Your Bedroom – Street Art…..

Explore   Find out who is – Berthe Morisot – Salvador Dali – Yoyoi Kusama……