You can find this pattern on https://ullawol.be/blogs/nieuws/brei-je-haarband-met-een-... (where you can choose your language)

For this pattern you’ll need knitting needles of 10 mm and a cable needle and one ball of Fonty Pole.

You can make this headband with only one ball of yarn :-)
You can make this headband already in a few hours :-)