bluedot You don’t have to be a science nerd to pitch up at bluedot for four days of cosmic fun. This year Björk headlines, accompanied by Manchester’s Hallé Orchestra. Historian David Olusoga, space scientist Monica Grady, and come-dian Stewart Lee will chat science and culture. Even The Clangers will make an appearance. 21-24 July, Jodrell Bank, discoverthebluedot.com Every summer, Cheshire hosts three of Britain’s best family-friendly festivals... Just So Festival Unleash the little ones’ imagination at this annual weekend of adven-ture play dedicated to families by outdoor arts events specialist Wild Rumpus. A whirl of literature, theatre, dance, music, comedy and arts and crafts takes place in the enchanting grounds of Rode Hall between breakfast and midnight feasts. 19-21 August, Rode Hall, justsofestival.org.uk Geronimo They call it Glastonbury for under-13s and on the bill this year are tween idols Sam and Mark from CBBC’s Big Friday Wind UP, street dancer Junior Frood, and family singalong sensations Johnny & the Raindrops. Plus, more thrills are promised, from monster trucks to the world’s biggest bouncy castle. 26-29 August, Arley Hall, geronimofest.com FESTIVALS Tweenage kicks Geronimo, above left, is known as Glastonbury for kids. Björk will headline at this year's bluedot, above 25/36