K'NEX Beasts Alive - Robo-Smash Building Set Build a robotic primate with 156 K'NEX pieces Motorized features bring the model to life with exciting movement Battery-operated motor included in set Can be combined with additional Robo-Creatures models for more complex builds Recommended for ages 7+ Build a robotic primate with 156 K'NEX pieces Battery-operated motor included in set Can be combined with additional Robo-Creatures models for more complex builds Recommended for ages 7+ Can be combined with other Robo-Creatures sets (sold separately) to create the ultimate creature!