Angry Woebots x Wanton Doodle mini canvas sketch collabs for FREE

Pandas x Birdies = Angry Woebots x Wanton Doodle mini canvas sketch collabs to be left somewhere in Singapore for folks to snag, for FREE! Don't know where, don't know when. Stake out IG @woes + @wantondoodle for hints, perhaps? Good luck, folks!