Smooth Moves Sloth Linkimal has been adapted to accept up to 2 standard switches (sold separately). Press and release one switch or press the buttons on his paws to activate lively songs, lights and dance moves. One switch or paw is for musical activities, the other for number activities. Kids love watching his head bob side-to-side, his hands move to the beat, his belly lights up with color changing lights that beat to the music. Lights and movement are great for encouraging visual attention. Also encourages skills such as following directions, singing, and movement. When Smooth Moves Sloth recognizes other Linkimals friends, they create a synchronized music and light show! (Additional Linkimals toys sold separately.) 4 AA batteries included. Measures approximately 12 x 5.5 x 11 inches.