1. Follow the Olympic Flame and watch the Relay live as it journeys around the UK, giving inspirational Torchbearers their moment to shine.
2. Garden for the Games: Run window boxes down your street in red, white and blue. Plant golden marigolds or get the neighbours talking and plant the Olympic Rings.
3. Hold a sports quiz with your friends and family to find the brains of the Games. You can download everything you need to get started, including quizzes and answer sheets, when you sign up as a Local Leader.
4. Gather friends and family to watch the Olympic Opening Ceremony on 27 July. Sign up to be a Local Leader for everything you need to get you started – including party invites, recipes and Opening Night In party games.
5. Host a Super Saturday party on 4 August, when 25 gold medals will be won. A perfect day to host an Olympic BBQ. Sign up to be a Local Leader for everything you need to get you started including invites, recipes and party games.
6. Buy Olympic tickets, with prices starting from £20, at the London 2012 ticketing website
7. Make sure your local school celebrates the athletes and cultures of the world on London 2012 World Sport Day on 25 June.
8. Encourage your local school to learn the official London 2012 mascot dance
9. Make Flame hats and shakers in your school to celebrate the Olympic Torch Relay.
10. Get your school to enter the ‘Get Set for Team GB and ParalympicsGB’ schools competition, pledging their support to our greatest team as they prepare for the Games
11. Attend one of the Paralympic Games ‘Light a Lantern’ events.
12. Plan Paralympic Games activities for the start of the new school year in September.
13. Download the final mascot film from the Get Set website and host a special school assembly to see how their journey ends.
14. Bake a Mount Olympus Pudding for your Olympic celebrations, an dessert of Olympic ambitions created by the Baker Brothers. Download the recipe from the Local Leaders website
15. Watch all the sport on giant screens and enjoy other entertainment at the Cardiff and Swansea Live Sites
16. Get your photo taken with the giant Olympic Rings at Cardiff’s Town Hall.
17. Try a new Olympic sport. Learn all about the sports on the London 2012 programme
18. Prepare for take-off and experience Adain Avion by artist Marc Rees – the travelling fuselage of a DC-9 plane transformed into a mobile arts space, and taken over by local community groups and renowned Welsh artists. The plane will stop off at locations all over Wales.
19. Thinking of coming to London to watch a free Olympic sport event? Sign up to receive free advice about attending one of the nine free road sport events, including the Marathon and Cycling Road Race.
20. Find out about athletes born in your area hoping to compete at London 2012. Find out about their sport and get ready to follow their journey.
21. Learn more about the nations and cultures of the athletes who will be based at a Pre-Games Training Camp near you.
22. Find out how to train to become a referee, official or coach in a sport that interests you.
23. Take part in the London 2012 Festival – over 10 million free opportunities for a huge range of arts and culture events.
24. Enjoy The Big Concert – Gustavo Dudamel and the Simón Bolívar Symphony Orchestra of Venezuela, on 21 June, broadcast live from Stirling on BBC Four and at 22 London 2012 Live Sites across the UK.
25. Join the 100,000 people on Hackney Marshes by listening to the BBC Radio 1 Hackney Weekend on BBC Radio 1, 1Xtra and on BBC Three.
26. Grab a bell and ring it on the morning of the opening day of the London 2012 Olympic Games for 'Work No.1197: All the bells in a country rung as quickly and as loudly as possible for three minutes' by Turner Prize-winning artist and musician Martin Creed. The UK is invited to ring thousands of bells at the same time, whether schools bells, church bells, town hall bells, bicycle bells or door bells.
27. Tune into the world famous BBC Proms – a London 2012 Festival highlight. From Beethoven’s Ninth Symphony to specially-filmed new Wallace and Gromit animations and the ‘Last Night of the Proms’ celebrations. If you can’t make it to the Royal Albert Hall you can enjoy the performances for free on BBC Radio 3, and many will also be screened on BBC One, BBC Two and BBC Four.
28. Visit some of the Olympic Host Cities and towns given their moment to shine during the Torch Relay. Get 20.12% discount off top attractions along with other fantastic offers.
29. Make your own mascot and play games with Wenlock and Mandeville.
30. Buy a mascot from the London 2012 online Shop
31. Get a ticket to Chris Tally Evans, Turning Points at the Elan Valley Visitor Centre, Rhayader on 6 July – a collection of stories as part of the Unlimited programme of the London 2012 Festival.
32. Get a ticket to Men of Harlech at Harlech Castle, 16-17 July. Seven centuries of Welsh history brought to life with a creative bang as part of the London 2012 Festival.
33. Buy your flags and banners to line the streets for Olympic Torch Relay, from £5 at the London 2012 online Shop and in the official London 2012 Shop at John Lewis.
34. Buy your Team GB replica kit to cheer on our greatest team.
35. Buy your Team GB scarf to support our greatest team.
36. Tune into BBC coverage of the Olympic Games.
37. Follow @London2012 on Twitter and Like the London 2012 Facebook page for all the latest info, photos, competitions and more.
38. Join Our Greatest Team – send a message of support to Britain’s Olympic and Paralympic athletes.
39. Download the Official London 2012 Join In App – a mobile guide to help you plan, enjoy and share your Games experience.
40. Download the Official Results App to keep up with the action, coming soon at london2012.com/mobileapps
41. Watch new videos uploaded daily on the London 2012 YouTube channel
42. Buy tickets to see Team GB, Brazil and Japan compete in the Olympic Football Tournament at the Millennium Stadium. Prices are from £20 for adults, with special ‘pay your age’ prices for young people aged 16 and under and £16 tickets for seniors.
43. Get down to one of 500 musical events on bandstands and public spaces around Wales as part of Bandstand Marathon which brings communities together through live music performances all at the same time, on the same day.
44. Join in the free Big Dance across the region. Events will take place in locations from shops to parks and feature all dance styles. There are classes, workshops, courses, performances, world record attempts. Open to absolutely everyone.
45. Buy Paralympic Games tickets and witness sport like never before. Tickets from £10 for adults, £5 for young people and seniors.
46. Sign up to ‘Join in’ emails giving you news, videos and exclusive competitions from now right through the Games.
47. Be part of the UK-wide art project 'Peace Camp': glowing encampments at some of the most beautiful and remote coastal locations, from County Antrim to the tip of Cornwall. Explore the artwork live and contribute online.
48. Join A Hansel of Film – Shetland to Southampton and back: a celebration of films made by the public and shown on big screens, curated by film critics Mark Kermode and Linda Ruth Williams.
49. Have tickets to a London 2012 Olympic or Paralympic event? Go to the Spectator Guide and start planning your journey.
50. Find London 2012-related events near you