The LEGO Harry Potter 75950 Aragog’s Lair set contains 157 pieces, including minifigures of Aragog, Harry Potter, and Ron Weasley. This set is part of the Harry Potter LEGO theme, specifically focusing on Aragog's lair and featuring characters from the fantasy world of Harry Potter. Released in 2018, this set appeals to fans of the movies and offers a creative building experience for children aged 8-14. Made of plastic and with a colorful design, this set from Denmark by LEGO allows kids to build and play with iconic characters from the Harry Potter universe.