Newborn mouse.  ***PLEASE NOTE*** All secondary images refer to product size and gram range.

No fur or peach fuzz 3-7 grams.   ***PLEASE NOTE*** All secondary images refer to product size and gram range.

Large mouse fuzzy, getting fur, eyes just about to open.  ***PLEASE NOTE*** All secondary images refer to product size and gram range.

Mouse with eyes open and starting to "hop" around on their own.  ***PLEASE NOTE*** All secondary images refer to product size and gram range.

Just weaned from their mothers, eating, and drinking on their own.  ***PLEASE NOTE*** All secondary images refer to product size and gram range.

Full sized adult mouse.  ***PLEASE NOTE*** All secondary images refer to product size and gram range.