Imperium Dragon Hunter Hound (71790) playset for ninja fans aged 6+ to act out adventures from the NINJAGO Dragons Rising TV series. Measuring over 4 in. (10 cm) high, 8 in. (20 cm) long and 5 in. (13 cm) wide, the Photac beast is a portable size to be taken by kids wherever they go. The LEGO Builder app guides kids on an intuitive building adventure. They can save sets, track their progress and zoom in and rotate models in 3D while they build.