Doctor Who Adventures

a) River

b) Pond

c) Puddle

HOW TO ENTER

Email your answer, name, age, address and daytime telephone number to web38@dwacomps.co.uk.

Closing date: midnight on 10 July 2011.

Good luck!

TERMS AND CONDITIONS: One winner will get a family ticket for four (two adults over 18 years and two children, or one adult over 18 and three children), to Crash of the Elysium at MediaCity, Manchester. Ticket is valid for a family performance on either Saturday 16 June or Sunday 17 July 2011. Subject to availability. No travel or other expenses provided. Winner will be notified on Monday 11 July. Normal competition rules apply - see below.

COMPETITION RULES: 1. You can enter if you live in England, Wales, Scotland, Northern Ireland or the Channel Islands, unless someone who lives in your house works for the BBC or BBC Worldwide. 2. All of our competitions follow the BBC Code of Conduct for competitions - you can read this at www.bbc.co.uk/competitioncode. 3. By entering the competition, you promise to us that you have read these rules and that you will follow them. 4. You must make sure that we have your entry by midnight on the closing date. 5. We can't include entries which arrive too late and we can't accept responsibility if your entry is lost in the post. If your entry is damaged before it reaches us, we may not be able to include it in the competition. 6. We will only use your name, address and any other details that you give us for the purpose of this competition. We won't publish them or provide them to anyone without your permission. You can read the BBC Privacy Policy at www.bbc.co.uk/privacy. 7. We will choose the winners at random from all of the right answers that we receive. 8. If you win the competition, we may use your first name and the county that you live in or your full name and age, (and a photo if you've sent one to us) in Doctor Who Adventures magazine or on the website. 9. You must only enter this competition once. We don't allow bulk entries or entries made by other people on your behalf. 10. If you win, you will receive the prize described. We won't swap the prize for cash. If there's ever a reason why we can't give you exactly the same prize, we'll give you something just as good or better instead. 11. You can find out who the winners are once the competition is over by sending a stamped envelope with your own address written on it to Competition Rules, ATTN: Rebecca Windsor, BBC Worldwide, Ground Floor, Media Centre, 201 Wood Lane, W12 7TQ. 12. If we contact you to tell you you're a winner, but you don't reply within a month, we may have to offer the prize to a runner-up or give it away in a future competition.