This rainbow blanket works up fairly quick! I used cotton dk yarn, but any yarn can be used even aran weight 4, but the size will differ. It can be made in lots of different colour combinations than I used.

The finished size is 35” inches wide x 32” long (35” including tassels).

Written in US terms with abbreviations for UK

Materials

Cotton Dk / weight 3 yarn (I used a mixture of paintbox cotton dk, 125 metres per 50 grams)
Kingcole Cottonsoft (210 metres per 100 grams)

Approximately
120 metres red
110 metres purple
100 metres dark pink
90 metres pink
80 metres orange
70 metres peach
60 metres yellow
50 metres light green
40 metres dark green
30 metres light blue
20 metres dark blue
10 metres darker purple
10 metres lighter purple

4mm crochet hook
Scissors