It's almost that time again! The summer holidays will be coming to west London schools in just a few short weeks, and it's important to be prepared.

We've rounded up the best cheap events and activities going on in west London your children will love, so write a few of these down in your diary and keep them occupied!

Most schools will be breaking up on Wednesday July 20 and starting again on Monday September 5, but if in doubt, check with your child's school for the exact dates.

Join in a fun Mad Hatter's Tea Party

Don't be late for this very important date! The Beck Theatre is holding a special Mad Hatter's Tea Party this summer.

Take a trip down the rabbit hole to Wonderland, which will be complete with dainty sandwiches, scones and cakes, live music and more fun!

This event takes place on Sunday August 7. Tickets cost £15 including afternoon tea.

The Beck Theatre, Grange Road, Hayes, UB3 2UE - 020 8561 8371

Whizz down the world's longest tunnel slide!

Would you and your children dare to ride down a 584ft drop? The new phase for the ArcelorMittal Orbit has just opened as a near-600ft slide, making it the longest tunnel slide in the world.

Children must be at least eight years old to ride the slide.

Tickets cost £15 for adults, £12 for concessions, and £10 for children.

Queen Elizabeth Olympic Park, 3 Thornton Street, Stratford, E20 2AD - 03338 008 099

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See a fascinating exhibition about the Great Barrier Reef

The iconic Sir David Attenborough will take you on a 3D virtual reality journey through the Great Barrier Reef in this new exhibition at The Natural History Museum.

Learn about the challenges faced by this extraordinary aquatic community, and find out how scientists are researching ways to conserve one of nature's most important ecosystems.

This exhibition runs until Sunday July 24. Tickets cost £6.50 for adults, £4.50 for members and Patrons.

The Natural History Museum, Cromwell Road, South Kensington, SW7 5BD - 020 7942 5511

Get down to Fat Sam's Grand Slam

Bugsy Malone returns to The Lyric Hammersmith this Summer following an immensely popular run in 2015.

This classic musical is brought to you live with talented young local actors, all under 25! Enjoy your favourite tracks, including Fat Sam's Grand Slam, My Name is Talulah, So You Want To Be A Boxer and many more.

The play runs until Sunday September 4. Ticket prices range from £15 to £40.

The Lyric Theatre, King Street, Lyric Square, Hammersmith, W6 0QL - 020 8741 6850

Get your face painted for free

Head to intu Shopping Centre in Uxbridge for a free face painting session!

Turn into a beautiful butterfly or scary tiger from 11am to 5pm with no need to book; this event is going on throughout the year.

This event takes place on August 14, 20 and 27

intu Shopping Centre, High Street, Uxbridge, UB8 1LA - 01895 819400

Go to a festival of world-class cycling

Prudential RideLondon is a world-class festival of cycling with seven events over a two-day period.

Staged for the first time in August 2013, more than 25,000 cyclists descended on the capital last year for the weekend event.

The event combines the fun of a free family ride in central London with the excitement of watching the world's best professional cyclists, and raises millions of pounds for good causes.

This event takes place on Saturday July 30 and Sunday July 31

See a fun play for free in Hounslow

Markeliñe: Andante comes to Hounslow's Bell Square for an evening of fun, free entertainment.

After a high tide, stories about anonymous shoes lost at sea in wartime have been washed up. Now funny characters wearing amazing masks and costumes, are delighted to be coming to Bell Square to tell stories of how the shoes emigrated and did the dance of love.

This event takes place on Saturday July 30, 8pm.

Bell Square, High Street, Hounslow, TW3 3HH - 020 8232 1019

See incredible lions at London Zoo!

The endangered Asiatic lions of London Zoo have been re-homed to a beautiful enclosure, with "windowless" views meaning vistors can get up close to the big cats.

Also included in the event is a park full of rickshaws, ranger's huts and trucks inspired by the lion's native India, as well as interactive games and tasks.

Price included in ticket admission to the zoo.

ZSL London Zoo, Regent's Park, London, NW1 4RY - 020 7449 6200

Fancy getting outside? Here's 100 things to do outdoors in west London.