Maggie, Zubiannes post is right on the money.I have extensive experience of catching mice and the trip trap made by Proctor Bros, Bedwas, Wales, really works.You can get one for about �4. Ive just caught no 39 this morning. Forget cardboard boxes containing bait, the mice can eat their way out of these in minutes. Poison them if you dont mind giving them a nasty death! Theres no need to kill them, the trip trap allows them a second chance when you set them free out in the country.(well away from housing! The only snag is that if left too long the captive mouse can become stressed and may die, which defeats the object. To get around this, Ive made an extension to the trap which allows the mouse to live for days if necessary, if given enough food. I will send you details if you are interested. Mice can climb anything in the quest for food, on to beds up curtains etc, and can gnaw through quite thick wood if given enough time. I agree they are very cute, but must be kept out of the house at all costs. The usual mouse caught is the long tailed field, or wood mouse. They have very long back legs and can leap several feet in the air when released. Not quite so cute is the house mouse, which can be a real pest .The trip trap will last for years and is a good investment. Always clean the trap thoroughly after a capture, and make sure it is completely dry when used again. It wont work if the trap door sticks to the trap roof through surface tension. Good hunting!