LEGO Ninjago 30699 Mini Combo Mech The Ninja Polybag This mini version of Zane's Ultra Combo Mech (71834) lets kids build a posable mech action figure and then transform it into micro versions of Zane, Riyu, a jet and a car. Attention! Not suitable for children under 3 years of age, as small parts can be swallowed. Choking hazard!