Materials
Fingering yarn in 6 colours:
red, blue, yellow, violet, green, black.
Size 0 crochet hook.

Gauge
15 dc to 2 inches over all patterns worked on size 0 crochet hook.

The back of the domino tile is worked in black yarn, the front a colour. A piece of cardboard is placed between the pieces and seamed.

There are 5 patterns:
Simple ribbed crosses,
Long crossed vertical,
Open verticals
Lace verticals
Alternating ribbed crosses.