Amateur architects can build this replica of the White House with this kit that includes bricks, mortar, a mini wheelbarrow, a trowel, an L-shaped ruler and an instruction book. The mortar dissolves in water, making it possible to build the structure again and again. “Wooden building sets like Brick and Mortar are good,” Dean Nelson, owner of Wizard Kids Toys in Toledo, Ohio, told TDmonthly in spring 2007.