The LEGO NINJAGO Jay's Electro Mech (71740) set is perfect for kids aged 4 and up who want to develop their building skills and have fun adventures with Jay and Eyezor. With just 106 pieces, this set is easy to build and comes with a starter brick to get you started quickly. The set includes a posable mech toy, ninja car, spider toy, and a golden-sword display, providing hours of ninja battles and excitement. The interactive instructions included make it easy to build and fun for the whole family to join in. This set is a great gift for a child who loves LEGO and wants to learn new building skills while having fun.