Educational toy made in plastic versions. In the mid-1950s, more explicitly engineering-themed construction toys appeared, including plastic girders, columns, and panels that could be assembled into a model curtain wall skyscraper. Later, this Girder and Panel structural system was extended to a Hydro-Dynamic setup by adding pipes, valves, tanks, nozzles, and pumps to allow construction of model plumbing, HVAC, and chemical engineering systems like a simulated distillation column. Other extensions of the system supported suburban-style housing developments (Build-A-Home), or monorail transportation systems (Skyrail). The building toy Lego was originally developed by Ole Kirk Christiansen in Billund, Denmark, in the 1930s. The name
Lego Homemaker Lego Homemaker Lego Homemaker was a product range of the LEGO construction toy designed to appeal primarily to girls. Introduced in 1971, the theme centered on domestic and suburban life-based settings. Sets marketed under this theme were released until 1982. During the lifetime of the theme, 32 sets were issued for sale. The larger sets could be assembled to build complete room settings of a house, including a kitchen, living room, bathroom and bedrooms (for both adults and children). Smaller "impulse" sets could build models of other household fixtures, such as tables and chairs, a television, an armoire, a grandfather