Awesome playset lets kids practice ninja skills with kai and nya on an obstacle course at a dojo or use the box’s bricks to build new models.  Lego Theme: Lego Ninjago Learning Skill: Motor Skills, Creative Thinking Recommended Ages: 5 Years And Up Assembly: Ready-To-Assemble Base Material: 100% Acrylonitrile Butadiene Styrene Country of Origin: Imported p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.