Found it at - Tabouret à hauteur réglable Brooklyn

Brooklyn Adjustable Height Stool with Weathered Grey Top and Black Powder Coat "Hydrant" Base by Diamond Sofa

Color Schemes, Church Nursery, Nursery Inspiration, Chloe, Home, Sun, Colour Schemes, Color Palettes

Weird corner in the unit - this is a great narrow piece that goes with the desk in the same line.