This nifty little lens connects to your smartphone to give you a powerful zoom and greater details when you're trying to capture the perfect shot.
Small speaker, big sound. This portable, wireless, bluetooth speaker is great for getting the party started anywhere this festive season.
This uniquely designed pizza cutter shaped like the sign for pi is for brilliant the mathematician in your life. It is made with two stainless steel blades and also comes in red.
£16, The Travelling Souk
Transforming your iPhone into a cocktail ring-cum-knuckleduster. It's a little bit blingy but will make sure you keep a firm grip on your phone.
This fun T-Shirt looks like something one of the nerds on The Big Bang Theory would wear. Made from cotton and machine washable, it also comes in blue.
£17, Science Museum Shop
Measuring less than 2 inches high, this is one of the smallest camcorders in the world but despite being so dinky it will capture high quality footage.
£80, Science Museum Shop
You can now see the night sky with this fab planetarium which uses a special lens to recreate constellations in fine detail.
£120, Gift Library
This handy tool lets you take your tablet anywhere. Whether you're on a train or a bed, this lap desk will keep your tablet steady. There's even room for food and drink.
£12, Science Museum Shop
This is the mother of all chargers. Compact and tough, it will keep your BlackBerry, Apple, Samsung or HTC devices juiced up and ready to go.
£14.95, John Lewis
Design your own watch made from special tear-resistant material. It has a digital watch, a long life battery and a strap.
£8.95, Design Museum Shop