The 2001 Polly Pocket Wizard of Oz Emerald City Playset is a vintage collectible that features working lights and belongs to the Polly Pocket franchise by Mattel. This gender-neutral doll playset, measuring 10 inches in doll size, includes one piece and is designed for children aged 5-7 years. The set, part of the Wizard of Oz series, is made of plastic and does not come with figures, making it a unique and nostalgic addition to any doll collection.