This DIY mini doll house is very well made, using a miniature scale of about 1:24. All pieces are in separate bags and a colourful step by step instruction book is included, which is a joy to read and very clear. The materials in the kit are eco-friendly, have no burrs.The paint is odorless and can also be easily washed out by water LED Light needs two lithium button cells (not included)-Model: CR2032, Diameter: 20mm RT Great attention to the finest details – Every single item is crafted with extravagant details in mind.