Between the two transparent windows is a little mallet suspended in the middle and a unique bell tone attached to either wall. Send it rocking and listen as the hammer swings back and forth to strike the bells. Young minds instantly light up with fascination! Simple yet endlessly mesmerizing, Tobble Tones is a unique cause-and-effect experience curious young minds can't help but come back to again and again. Tobble Tones Wobble toy with a mallet inside that plays two bell tones Encourages sensory learning, cause-and-effect learning, and fine motor skills Transparent window on the front and back Watch the mallet hit the bells as it rocks back and forth! Includes one Tobble Tones Measures 12.42 x 12.46 x 5.7 cms High-quality materials and construction - Fully safety tested. Suitable for Ages 6 months +