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 Super Heroes Lego Super Heroes Lego Super Heroes is a theme and product range of the Lego construction toy, introduced in 2011. The line features both DC Comics and Marvel Comics characters. The DC Comics part of the line was launched first, being released in late 2011. The Marvel Comics part of the line was launched on April 10, 2012, to be featured alongside the 2012 film "The Avengers". The first wave of sets released included nine sets from the DC Universe line. The largest of the sets was "Arkham Asylum Breakout" which included 1619 pieces and eight minifigures. In addition to