hair and skin tones
Work in progress- Lost Ocean/Johanna Basford/ Ness Butler
Drawing shells: great art lesson by Elizabeth Jendek the Thai Chinese International School, Thailand
She Sells Sea Shells
Alisa Burke — You, Me and the Sea Art Retreat Fall 2014
Watercolour study of mussel shell
Shells by Georgina Kruetzer on Strathmore Toned Tan
I would encourage the students look for shell, and to sketch them in place. Not picking them up, just sketch them as they rest on the sand...even if the water tickles your feet.