7 children's tv series that only had 13 episodes

1. Bod
2. Bagpuss
3. Camberwick Green
4. Fingerbobs
5. Mr Benn
6. Pogle's Wood
7. Trumpton

7 bed manufacturers

1. Bedmaster
2. Silentnight
3. Sleepeezee
4. Stompa
5. Hypnos
6. Slumberland
7. Craftmatic

7 artists on Ninja Tune record label

1. Amon Tobin
2. DJ Food
3. The Herbaliser
4. Flanger
5. Wagon Christ
6. Super Numeri
7. Fink

7 notable circumnavigations of the earth

1. Juan Sebastián Elcano - 1522 (First complete circumnavigation)
2. Martín Ignacio de Loyola - 1584/89 (First to circumnavigate in both directions)
3. Jeanne Baré - 1766 (First female to circumnavigate)
4. Joshua Slocum - 1898 (First single-handed circumnavigation)
5. USS Triton - 1960 (First underwater circumnavigation)
6. Marvin Creamer - 1984 (First circumnaviation without nautical aids)
7. Reid Stowe - 2010 (Eastbound curcumnaviation, Longest time spent at sea without resupply or touching land)

7 welsh dishes

1. Cawl Cynhaeaf - Harvest Broth
2. Teisen Tincar - Tinker's Cake
3. Crempog Las - Welsh Omelette
4. Stwnsh Rwdan A Iau - Turnip Mash with Liver
5. Tatwsrhost - Welsh Stew
6. Tocyn y Cardi - Fried Oat Cakes
7. Wyau Sir Fôn - Anglesey Eggs

7 answers we got right in this week's University Challenge

1. Gibbous
2. Louis XIV
3. Wyoming
4. Pate Paté
5. Worcestershire Source
6. Butterfly
7. Glen Coe

7 roller coaster track layouts

1. Corkscrew
2. Möbius Loop
3. Out and Back
4. Shuttle
5. Twister
6. Wild Mouse
7. Vertical Drop