The Junior Conservatory features one room plus a rooftop balcony, which can be built to fit either the left or right side of the rear open, Real Good Toys "Junior" or "Lilliput" kit series. The Jr. conservatory is constructed of 1/4" plywood floor with 3/8" and 1/2" MDF. Overall dimensions are 11-7/8" wide by 11-7/8" deep by 13-7/8" wide.

Foundations are supplied to adapt to a variety of dollhouses. Kit includes solid wood windows, doors, rails, dowels, newels, edge trim, gingerbread, stucco paint additive.

The Junion Conservatory also fits the QuickBuild Classic Colonial and Finished Vermont Farmhouse Jr.