LEGO [Harry Potter] - The Final Challenge Building Set - Philosopher's Stone Series (4702)Step into the climax of Harry Potter and the Philosophers Stone with the LEGO [Harry Potter] The Final Challenge (4702) set. Released in 2001, this collectible build captures one of the most intense moments of Harrys first year at Hogwarts. With just 52 pieces, it offers a quick yet exciting build that recreates the showdown guarding the Sorcerers Stone. The set includes two minifigures, Harry Potter and Professor Quirrell, setting the stage for the