The LEGO Ideas 21331 Sonic the Hedgehog Green Hill Zone Set is a complete set featuring 1125 pieces made of plastic. This set, intended for ages 18 and up, pays homage to the popular video game character Sonic the Hedgehog. With detailed instructions, builders can recreate the iconic Green Hill Zone from the beloved franchise. The set includes a LEGO box for packaging and measures 398mm in length, 280mm in height, and 229mm in width. Produced in Denmark, this LEGO set is a must-have for fans of Sonic and LEGO alike.