Dollhouse Miniature Mini-brick Mortar, 16 Oz., Gray Tools & building supplies are the essentials of building or redesigning your dollhouse or craft project. Purchase our Mini-brick Mortar from our selection of dollhouse building materials. Just what every hobbyist needs. These products are not toys or meant for children under the age of 10. These products are items for building and decorating dollhouses or other crafting projects, and may present hazards with small children. Parental supervision is required.