There’s still time to bid to win free tickets to the county’s top tourist attractions.

Herts Advertiser: Knebworth House is one of the attractions taking part in this year's Herts Big Weekend in April. Picture: Knebworth House.Knebworth House is one of the attractions taking part in this year's Herts Big Weekend in April. Picture: Knebworth House. (Image: Knebworth House)

The fourth Herts Big Weekend takes place on Saturday, April 6 and Sunday, April 7, during English Tourism Week 2019.

A record-breaking 61 attractions across Hertfordshire have donated thousands of tickets and activities to the event.

Run by Visit Herts, the county’s residents are invited to celebrate tourism, discover or rediscover what’s on their doorstep, and tell their visiting friends and family.

But hurry, the free ballot closes on Sunday, March 17.

Herts Advertiser: Knebworth House. Picture: Chris OrangeKnebworth House. Picture: Chris Orange (Image: Chris Orange)

Families can put their hat in the ballot for a chance to win free pairs of tickets, and in some cases family tickets, to leading attractions and tourism businesses, including entrance to Warner Bros. Studio Tour London – The Making of Harry Potter, Paradise Wildlife Park in Broxbourne, Knebworth House and Gardens, Hatfield House, The Natural History Museum at Tring, Alpaca Adventures, Hotel Cromwell in Old Stevenage, Shepreth Wildlife Park, Vertigo Adventures in Welwyn Garden City, and tower tours at St Albans Cathedral to name but a few.

Residents have until March 17 to visit www.hertsbigweekend.co.uk and bid for any of the 2,400 tickets up for grabs.

You can apply for as many tickets as you like.

Last year 33,000 bids were made.

Herts Advertiser: St Albans Cathedral. Picture: Alan Davies.St Albans Cathedral. Picture: Alan Davies. (Image: Archant)

Experiences on offer this year include close encounters for animal lovers, brewery and vineyard tours and tastings, high speed boat trips, rounds of golf, river tours, railway adventures, shopping experiences and family activities.

Winners will be selected by random ballot and will receive a maximum of two tickets per household.

Family tickets are also on offer for some attractions.

The ballot closes on Sunday, March 17, but there will still be chances to bid for returned tickets after this date.

Herts Advertiser: Ratna the 15 year old Sumatran tiger at Shepreth Wildlife Park. Picture: DANNY LOORatna the 15 year old Sumatran tiger at Shepreth Wildlife Park. Picture: DANNY LOO (Image: ©2019 Archant)

This ballot is only available to people living in Hertfordshire.

Residents aged 18 and over can apply for tickets to any of the attractions listed.

Attractions that are already free to enter will be offering a range of extras such as guided tours, refreshments and special gifts.

Herts Advertiser: Ago the one year old red panda at Shepreth Wildlife Park. Picture: DANNY LOOAgo the one year old red panda at Shepreth Wildlife Park. Picture: DANNY LOO (Image: ©2019 Archant)

• Attractions taking part in Herts Big Weekend 2019

Afternoon Tea at Aubrey Park Hotel

Aldenham Country Park

Alpaca Adventure - Yew Tree Alpacas

Campus West

City and District of St Albans Tour Guides

Clarion Collection Hotel, St Albans

Down Hall Hotel & Spa

East Anglia Pass

Fairlands Valley Outdoor Activities Centre

Foxholes Farm

Frogmore Paper Mill

Gin On The River

Hanbury Manor Marriott Hotel & Country Club

Hatfield House

Henry Moore Studios and Gardens

Hertford Theatre

Hertfordshire County Show

Historic Hertford – Guided Walk

Hotel Cromwell

John Warner Sports Centre

Knebworth House, Gardens & Park

Laura Trott Leisure Centre

Little Hay Golf Complex

Lussmanns Fish & Grill Restaurants

Mill Green Mill and Museum

Natural History Museum at Tring

Paradise Wildlife Park & Zoological Society of Hertfordshire

Pendley Manor Hotel

Royston & District Museum & Art Gallery

Royston Cave

Rye House Crazy Golf

Rye House Kart Raceway

Rye House Laser Combat

Rye-Assic Adventure Park

Shepreth Wildlife Park

St Albans Clock Tower

St Albans Museum + Gallery

St Paul’s Walden Bury

Standalone Farm

Stevenage Golf & Conference Centre

Stevenage Swimming Centre

Tewin Bury Farm Hotel

The Cheshunt Marriott Hotel

The Old Town Hall

The Spotlight

The Venue Leisure Centre

The View Bar & Kitchen

Theobalds Estate

Torrington Hall

Tower Tour at St Albans Cathedral

Ventura Wildlife Park

Vertigo Adventures

Verulamium Museum

Ware & Hertford Waterbus

Warner Bros. Studio Tour London - The Making of Harry Potter

Watersmeet

Watford Museum

Watford Palace Theatre

Welwyn Roman Baths

Willows Activity Farm

ZSL Whipsnade Zoo.