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Things to do today:
MUSEUM OF LONDON: See a scale model of the Evening Standard's offices in 1977 and an ice cream maker from 1911 among other weird and wonderful artefacts from the archives at the Museum of London's new display, Behind the Scenes. Free, just turn up, all day (until 15 September)
BEACH RUGBY: Watch companies getting (legally) down and dirty at a beach rugby tournament in Finsbury Square near Moorgate. Free to watch, just turn up, from 12pm (continues on Saturday)
CAMDEN BEACH: Experience Barbados without leaving Camden; Have a drink and enjoy the sun at sandy Camden Beach at Roundhouse, which opens for the summer today. Free, just turn up, from 12pm (until 29 August)
POP IN PADDINGTON: Get in the festival spirit with tributes to Mumford & Sons, Ellie Goulding and Take That in Paddington's Norfolk Square Gardens. There's free face painting, as well as deckchairs and blankets on hand, just bring a picnic (or buy food from one of the stands). Free, just turn up, from 12.30pm
BEATRIX POTTER: Step into the world of author and botanist Beatrix Potter with a storyteller at Foyles Charing Cross Road. Let your children discover how to make their own Peter Rabbit ears — the perfect way to celebrate the 150th anniversary of the author's birth. £5, book in advance, 2pm
ROALD DAHL: Children can design their own phizz-whizzing (paper) sweets in a Roald Dahl invention room at Foyles Southbank. Real sweets will be on hand for inspiration. £3 (optional goody bag £5 extra), book in advance, 2pm
COCKTAIL EXTRAVAGANZA: Sip on cocktails from 25 of London's favourite bars, and take part in interactive masterclasses led by acclaimed mixologists. Bourne & Hollingsworth's Cocktails in the City takes place in Bedford Square Gardens. £15 (includes one cocktail), book in advance. 5pm (continues tomorrow)
ENGINEERING NIGHT: Design a bridge with a virtual reality headset or have a go at coding with a BBC micro:bit at the Victoria & Albert Museum's late night event Engineering Your World. Free just turn up, 6.30pm
BALHAM FREE FRINGE: There are three rooms of comedy at the Balham Free Fringe featuring stand-up, sketch, magic and musical acts, so you're bound to find something to make you chuckle. Takes place at The Bedford in Balham. Free, just turn up (first come, first served), 6.50pm (event runs until 31 July)
VINTAGE ARAB VINYL: DJ Chris Menist will be playing rare Arab music. Dance along and look at photography artist Larissa Sansour's first solo exhibition in London. You can also make your own collage record cover at The Mosaic Rooms' after hours event. Free, book in advance, 7pm
Good cause of the day
ELECTRONIC MUSIC: Watch a documentary about the first polyphonic synthesiser, dating back to 1975 in St Leonard's Church, Shoreditch. After the screening, DJs and musicians will be playing and vintage and modern electronica music. Proceeds go to Guardian Angels Animal Support. £5/7, book in advance, 7pm
Our daily pick of Funzing events
SHOREDITCH BOOZE TOUR: Explore the best pop ups and bars in Shoreditch on an alcohol-fuelled tour of up to eight venues. £75, 29 July/ 3/11/12 August
STREET ART TOUR+WORKSHOP: Be inspired by the art of Stik and Banksy on the streets of east London, before trying your hand at spray painting. £35, 6/7 August