Firstly a pair of bedsocks for my 5 year old nephew:

Stockinette-stitch Triangle bedsocksPattern: Stockinette-stitch Triangles from
More Sensational Knitted SocksYarn:
James C. Brett Pure Merino in PM5
Needles: 2 x 3.5mm 60 cm circulars
Method: Knitted cuff down two at a time.
Then a pair his eldest sister my 10 year old niece:

Open Cable with Twisted Rib bedsocksPattern: Open Cable with Twisted Rib from
Sensational Knitted SocksYarn:
James C. Brett Pure Merino in PM2
Needles: 2 x 3.5mm 60 cm circulars
Method: Knitted cuff down two at a time.
Then a pair for the middle child my 7 year old niece:

Bluebell Rib bedsocksPattern: Bluebell Rib from
Sensational Knitted SocksYarn:
James C. Brett Pure Merino in PM5
Needles: 2 x 3.5mm 60 cm circulars
Method: Knitted cuff down two at a time.
Of the three patterns the Open Cable with Twisted Rib was my favorite. I don't have any modeled photos but this one on my hand shows how the pattern might look on a foot:

Open Cable with Twisted Rib patternThis
yarn is so soft & squidgy that it's perfect for a pair of snuggly bedsocks. I've even started a pair for myself!