Paris’ iconic Grand Palais is collaborating with Perrotin Gallery to host an art scavenger hunt, where participants are invited to search for 20 free artworks by 20 artists, including a piece by Takashi Murakami.

Called “Wanted!,” the project will take place over the course of 48 hours, from Oct. 24 to Oct. 25, and is free of charge, The Art Newspaper reports. Besides Murakami, there will be artwork from other artists also represented by Perrotin, including Daniel Arsham, Emily Mae Smith, and JR.