The Gymini Melody Maker playmat is a fun-filled baby gym that's full of things to do. There is a baby-activated musical triangle with dangling toys, spinning horse rattle, flower teethers, porcupine jitter toy, fluffy lamb with bell, tractor with honking horn, soft peek-a-boo mirror, and peek-a-boo caterpillar under a rock. Musical toy requires 3 button-cell batteries (1.5v LR44); trial batteries included. Measures 25" x 30.5" x 1".