KNX1343 Features: * Set comes with 123 K"NEX parts, primarily micro rods and connectors to build a motorized robot * Combines with stomper for a combo build (each set sold separately) * 1 of 4 in robo battlers series * Slasher moves by scooting along * Requires 2 "AA" batteries, not included * Standard K"NEX parts made in the U.S.A * Ages 7+ * Not for children under 3 years old Disclaimer: * Warning: Choking hazard. Small parts.