LEGO 4727 Aragog in the Dark Forest is a Harry Potter Chamber of Secrets set released in 2002, containing 178 pieces and 2 minifigures. It includes Harry Potter and Ron Weasley along with a brick-built Aragog, depicting the Forbidden Forest scene from Harry Potter and the Chamber of Secrets. The build features a forest tree setting and a large spider with articulated legs. The set recreates the characters’ encounter with Aragog while following the trail of spiders to investigate the Hogwarts attacks.

Description via Its a Block Party