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 Friends paperback. DK Publishing have also released a Lego Brickmaster book based on the Friends theme on September 17, 2012. This series premiered in 2014. Season 1 Episodes (partial listing): Another series titled "Lego Friends: The Power of Friendship" aired on Netflix on March 4, 2016. Episodes: A 2018 reboot on Family Channel: "Lego Friends: Girlz 4 Life" is a 2016 American Direct-to-DVD computer-animated film. Lego Friends Lego Friends (stylized LEGO Friends) is a product range of the Lego construction toys designed primarily for girls. Introduced in 2012, the theme introduced the "mini-doll" figures, which are about the same size as