100 years ago, Arsène Lupine stole the necklace of Queen Marie Antoinette. The recent discovery of an article in the Semaphore of Île Saint Louis suggests that Isidore Beautrelet was wrong to locate the collar cache in the Aiguille Creuse. It's time to find him! Go to the places indicated in your Semaphore and find with 4 figures present on your map of the island saint Louis the hiding place of the necklace.
There is nothing to bring. Free for children under 12 years old