Infrared sensor at the front and ultrasonic sensor at the rear detect obstacles (2-60 cm). If the monkey is caught or lifted, it says funny sentences and makes noises. There are 2 game modes: Discover and Catch play. It can roll back and forth, left and right, and move its head and arms. A total of 3 motors control the upper body and legs. It features 5 illuminated buttons and 1 heart button. The toy plays 3 sung songs and 17 melodies, with volume control. It has a childproof battery compartment and automatic switch-off. Demo batteries are included.