The drawings you can see on that page were made by Louis XIV at the age of 7
"La Fondation Saint-Louis" ownes 70 drawings by Louis XIV, here you can see 8 of them
These drawings of great quality (for a 7-year-old-boy) have all something in common (all 70 of them). All of them represent buildings (houses, churches, bridges), but no people or animals
Louis 7 years old (full picture and detail) by Philippe de Champaigne: