Mittens are knit with only 2 colors at a time. The third color is added later using a duplicate stitch.
The mushroom pattern is embroiled using duplicate stitch, so it is easier than stranded colorwork.

Size

Toddler (child, adult S, M, L)
fits hand: 5 (6, 7, 7.75, 8.5)” around
mitten length: 7.25 (8.5, 10.5, 12, 13)” from cuff to finger tips (adjustable)
cuff length: 2.5 (2.75, 3, 3,15, 3,5)” (adjustable)

Gauge

10 x 10 cm 4 x 4 inch = 20 stitches in width and 24 rows/rounds on US 4 (3,5mm) in height with stockinette stitch, after blocking.

Materials

US 4 (3.5mm) circular needles or US 4 (3.5mm) double pointed
needles or other to achieve gauge.
US 2 ½ (3 mm) circular needles or US 2 ½ (3 mm) double pointed needles.
Yarn Drops Nepal (65% wool, 35% alpaca) 82 yds/1.75 oz (75 m/50 g) or any other aran yarn.
Deep brown – 1
Came; – 1 or 2 for big sizes
White – 1
Orange – a little