LEGO Bricks in childs hands Published September 22, 2016 at 798 × 325 in Lego To Let Go Of Toxic Chemicals Tambov, Russian Federation – February 20, 2015 Lego Duplo Bricks in childs hands with Lego Duplo blocks background. Studio shot. Lego Duplo is a toys for children age 1,5-5 (manufactured by the Lego Group (Billund, Denmark)).