LEGO Nexo Knights: The Fortrex - 1140 Piece Building Kit [LEGO, #70317]Roll the Nexo Knights 2 in 1 battle castle into action with the LEGO Nexo Knights: The Fortrex Building Set 70317! Fold out the 2 in 1 Fortrexs walls to switch into the detailed headquarters play set, featuring a round table, training area, prison, kitchen and more. Open up the Fortrex to help Chef Eclair prepare a tasty snack for Axl and the hungry knights in the kitchen. Practice swordsmanship skills and improve your aim in the weapon training area.