The Ninja action toy comes with interactive digital building instructions to make the building experience even more fun. Available in the free LEGO Building Instructions app for use on smartphones and tablets, the zoom and rotate tools help you visualise the kids\\\' spinning toy as you build. Kids can also save their progress at any point in the app. Measures over 2 in. (6 cm) high, 1.5 in. (4 cm) wide and 1.5 in. (4 cm) deep. Contains 32 pieces. Warning! Choking hazard. Small parts. Not suitable for children under 3 years old.