Size: the toy is approx. 6.5 inches tall.

Materials:
FOR MOUSE/RAT
↠ yarn in gray and pink colors (I used Rico Design Creative Cotton DK yarn in 019 and 004 colors);
↠ crochet hook 2.5 mm;
↠ fiberfill for stuffing;
↠ safety eyes 6 mm;
↠ scissors, sewing needle;
↠ stitch marker for mark the first stitch in a round (if you are a beginner in crocheting).

FOR HAT
↠ yarn in yellow color (I used Mondial BiolanaFine yarn in 0355 color);
↠ knitting needles 3.0 mm;
↠ scissors, sewing needle.

CHRISTMAS EDITION
↠ yarn in white and red colors (I used Rico Design Creative Cotton DK yarn in 001 and 008 colors);
↠ Santa’s hat (I bought mine in the Danisches Bettenlager shop in Germany);
↠ crochet hook 2.5 mm;
↠ fiberfill for stuffing;
↠ scissors, sewing needle;
↠ satin red ribbon (width 7 mm, length 15 cm).

Abbreviations:
The pattern is written in English, using US crochet terminology.
FOR CROCHETING
ch - chain
sc - single crochet
inc - increase
dec - decrease
RND - round
You should know how to crochet: chain, single crochet, increase, decrease, crochet in rounds, crochet in rows.

FOR KNITTING
K - knit stitch
P - purl stitch
st - stitch
You should know how to knit with needles: cast on, knit stitch, purl stitch, cast off.