The Glockenspiel is a musical percussion instrument for commercial playground use. Each of the tuned metal bars is mounted inside the frame. The included polyethylene mallets produce crisp sounds that will keep kids entertained repeatedly and are attached to prevent them from getting lost or stolen. Choose a The Glockenspiel to let your kids experience rhythm and harmony at a young age. Product measures 27 inches X 18 inches X 23 inches. MUSICAL INSTRUMENT: The glockenspiel is a musical percussion instrument for commercial playground use. Each of the tuned metal bars is mounted inside the frame.MALLETS INCLUDED: The included polyethylene mallets produce crisp sounds that will keep kids entertained repeatedly and are attached to prevent them from getting lost or stolen.PLAYGROUND FUN: Perfect for use in public playgrounds and school playgrounds of any size – kids have plenty of room to play! PRODUCT DETAILS: In-ground mount installation. Product measures 27 inches x 18 inches x 23 inchesSAFETY FIRST: Meets national standards for ASTM F1487-17 and CPSC Guidelines #325