I have a mouse problem at my house for years. My buddy handed me this trap one day at work before I retired. It's as good as it gets.
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It's a simple beer can with a thin metal rod through it. The can MUST spin on the rod. Paint stirs or similar wood on ends. Peanut butter around can. Place over bucket with 3" of water in it. Mouse goes on can after bait, can spins, Mouse falls in water and drowns. (Don't tell PETA!)
Tangerinegreen guarantees this works, no blood, no mouse shit, no sticky shit, no poisons. If my dog finds it, he just licks the peanut butter.
Edit: mice can't swim. bummer for them.