Buy-a-gift - This is an award winning  gifts outlet that offers presents and gifts of all kinds, ranging from experiences to  more traditional presents and gifts. There are hundreds of gift ideas available such as spa days, makeover gifts and adrenaline pumping activity gifts. There's a huge range available, at very competitive prices. You're sure to find some great ideas for 21st birthday gifts.

Cheap Smells - This company is fast becoming one of the most popular sources for cut-price perfumes. Based in the Channel Islands it provides hundreds of designer perfumes and fragrances at discount prices. You'll be able to save up to 70% on some top brands such as Gucci and Givenchy. This is a fine website and should provide you with plenty of ideas for 21st birthday gifts.