Boppin' Beaver Linkimal has bright lights and 25+ songs, sounds and phrases teach shapes, counting and colors while stimulating visual and auditory senses. He has been switch adapted to accept a standard 3.5mm switch (sold separately). Press and release your switch (or push the beaver's head) to start the action. Press it again to move forward to the next activity. Uses 3 AAA batteries (included). Measuring just 6" tall x 4" wide, this toy is a great portable take along! Recommended age 9 months +.