Win £250 worth of National Garden Gift Vouchers in our free prize draw celebrating the Sensational Butterflies exhibition.
Vouchers are accepted at more than 2,000 leading garden centres, shops and nurseries across the UK.
If you win, why not use the vouchers to buy plants, flowers and tools to create your own butterfly haven.
Complete the online entry form below. Please ensure you read the Terms and Conditions first.
Closing date for entries is Sunday 14 September 2014 at 23.59 BST. The winner will be contacted by post. Please note you need to be a UK resident aged 18 and over to enter the free prize draw.
The winner of the Sensational Butterflies free prize draw will win National Garden Gift Vouchers to the value of £250 which are accepted at more than 2,000 leading garden centres, shops and nurseries across the UK.
The vouchers are valid until the 31 December 2016 and the winner must claim the prize within 10 working days of the Natural History Museum sending notification.