Made with moist chalk sticks.
Made with a moist, blue chalk stick.
Made with moist coloured chalk sticks.
Daily Tulsi puja with a new rangoli everyday, is a wonderful opportunity for art therapy as well 
Here is one made with moist coloured chalk sticks.
Tulsi worship with rangoli in Kartik mas:
A simple Kolam rangoli made in moist chalk on the floor during the holy month of Kartik (Oct-Nov) Tulsi Puja.