Things to do for £5 or less in London this week.
All week
100 DAYS OF TRUMP: Works by political cartoonists Peter Brookes of the Times and Matt (Matthew Pritchett) of the Telegraph are on display, covering topics such as Trump, Brexit and Boris. Chris Beetles Gallery (St James's), free entry, just turn up, until 20 May
THIS IS HULL!: This exhibition focuses on one community's fight against racism, featuring Richard Lees' 1979 silkscreen posters for Hull Rock Against Racism. Rich Mix (Shoreditch), free, just turn up, until 26 May
PHOTOGRAPHY: As House of Vans relaunches after a spruce up, the Independent Photography Festival opens at the venue, featuring photos from all over the world. House of Vans (Waterloo), free entry, just turn up, until 27 May
PHOTOGRAPHY: This new display showcases the work of 12 photographers, on the theme of space. They've all been shortlisted for the prestigious Prix Pictet photography prize. V&A Museum, free, just turn up, 6-28 May 2017
FREE FILM FESTIVAL: Herne Hill Free Film Festival has a great line up, including La La Land, Easy Rider, Moana and The Big Lebowski. Various locations, free, book ahead, until 29 May
Monday 8 May
SCIENTIFIC BREXIT: What impact will Brexit have on the scientific community — on both sides of the Channel? The Royal Institution hosts a summit with a panel including scientists, policymakers and key influencers to discuss what the outcome will be. The Royal Institution, free, book ahead, 1pm-6pm
CELEBRITY: LSE hosts a debate discussing what it means to be a celebrity today. Has the internet and social media changed the role of celebrities? What are their rights and responsibilities in the modern age? LSE, free, just turn up, 6.30pm-8pm
Tuesday 9 May
A PHOENIX REBORN: The Monument commemorates London's recovery from the Great Fire. Using this as a base, find out what London's recovery and rebirth really entailed. Guildhall Library, free, book ahead, 2pm-3pm
OPEN EVENING: The annual open evening of the Honourable Artillery Company on City Road takes place tonight, with military displays, helicopters and armoured vehicles, a parachute jump, and a police dog display. Finsbury Barracks, free entry, just turn up, from 5pm
FRENCH ELECTION: A panel of experts debates what the outcome of the French election tells us about prospects for the left in France. LSE, free, just turn up, 6.30pm-8pm
Wednesday 10 May
LEICESTER SQUARE: Think you know Leicester Square and Trafalgar Square? Go a little deeper with this talk about the tourist hotspots and find out more about the area's past residents including Sir Joshua Reynolds, Baron Albert Grant and Sir Mortimer Wheeler. Guildhall Library, free, book ahead, 2pm-3pm
Thursday 11 May
MEDIEVAL POETRY: Music, performances and discussions are all part of this exhibition opening, inspired by 14th century epic poem Piers Plowman. Southbank Centre, free, just turn up, 7.30pm
Friday 12 May
KENTUCKY COW TIPPERS: Kickstart your weekend with live music from five-piece group The Kentucky Cow Tippers, who perform renditions of classic bluegrass songs. Southbank Centre, free, just turn up, 5.30pm
ARMY NURSING: To mark International Nursing Day, find out about the history of army nursing, from the Crimean War through to the first world war, beginning with Florence Nightingale's famous efforts. National Army Museum (Chelsea), free, book ahead, 11.30am
Saturday 13 May
LEGO MOVIE: Wear the littl'uns out with an hour-long skate session, then park them in front of a screening of The Lego Movie. Choose between watching the film yourself, or tucking into brunch at the cafe. House of Vans (Waterloo), free, just turn up, 10.30am/12.30pm
POETRY MAGAZINE FAIR: Browse a hall full of UK poetry magazines at the first Poetry Magazine Fair. There will also be pop-up readings throughout the day. Holy Redeemer (Clerkenwell), free, just turn up, 11am-4.30pm
Sunday 14 May
ANTIQUES FAIR: 140 stalls of fine antiques from all over Europe come to Westminster for the latest instalment of Adams Antiques Fairs. Lindley Hall, £4, just turn up/book ahead, 10am-4.30pm
DULWICH FESTIVAL: Food and drink stalls, bars, craft stalls, face painting, a bouncy castle, live music and donkey rides are just some of the things on offer at Dulwich Festival Fair. Goose Green, free entry, just turn up, 11am-4pm
PUPPET FESTIVAL: The annual (and excellent) May Fayre and Puppet Festival celebrates the roots of Punch & Judy puppet shows, believed to have originated in Covent Garden. St Paul's Church, free, just turn up, 11am-5.30pm
KITE DAY: Eyes up, as a host of kites take to the skies in Streatham. Watch displays of power kites and pairs kites, and visit the stalls at Streatham Common Kite Day. Streatham Common, free entry, just turn up, 11am-5pm
TREASURE PLANET: Today's offering from House of Vans' Little Rippers Film Club is Treasure Planet, in which a secret map inspires a treasure hunt across the universe. House of Vans (Waterloo), free, just turn up, 12.15pm
CHESTNUT SUNDAY: Watch the traditional Bushy Park Chestnut Sunday Parade, followed by the funfair with rides, stalls, historical re-enactments, live music, arena shows and more. Bushy Park, free entry, just turn up, 12.30pm-4.30pm