The Lego Shop have just started a new promotion where you can get this FREE Frozen Lego Set 'Olaf's Summertime Fun' when you spend £25 or more. There's no code to enter, just place your chosen Lego sets in your online basket and if the total comes to £25 or more then the free Olaf Lego Set will be automatically added to your basket.
Olaf's Summertime Fun is a 48 piece set that is suitable for children aged 5 and over. Although it is listed for 1p on the Lego website it can't be purchased separately and will show up as free when you qualify for the gift.
The free gift is one per household, and is available until 31st January and while stocks last. You can get the free gift when you spend £25 online at The Lego Shop or in official Lego Stores only.