...which you can buy at the Interweave online store:
and view on Ravelry here:
(don't forget to check the projects tab for photos of finished versions).
It's not a cheap option to make, 22 skeins of very beautiful Koigu KPM @$15AU/skein or so...but there's nothing to stop you being inspired by this idea. At all.
....and if you want another crochet take, try the Gingerbread Lady's Klimtchen - little Klimt blankets (with a free tutorial and pattern/planning pdf, thank you!).
Gingerbread Lady Klimtchen blog link to her brilliant tutorial on these blankets - photos and diagrams and info, oh my!:
Gingerbread Lady Klimtchen pattern pdf:
The Gingerbread Lady is obliging enough to provide both UK and US crochet terminology (Babette would be in US, I'm guessing).
Whichever way you go, it's a great way to play with colour, from a baby blanket on up.
Note: links are in UK crochet terminology.