Hi Ellkebe, a few more to see:
Goonhilly Satellite Earth Station- Helston, is great
Monkey Sanctuary in Looe
Hidden Valley Discovery Park in Launceston
I went to the Rick Stein fish restaurant, it is worth to save up for that, but is no good for small children. It is not cheap , it has 1 star?, about 50 pounds a person, but the desserts.........oh heaven......... Iwant to go again...... :P :P