I will suggest this, making a hopper to hold the food so it's not wasted.

Like this
http://www.ball-pythons.net/forums/s...ad.php?t=66110

Or like this
http://www.ball-pythons.net/forums/s...?postid=824120

Or you could make a short rack for them like this
http://www.ball-pythons.net/forums/s...ad.php?t=65939

Lots of different shapes and sizes. I use a lab block to feed my rats but I have never kept mice.