1.Children-friendly Design: The rainbow-color metal keys can teach the baby to recognize different colors. The easy-hold mallets allow kids use the glockenspiel simply and improve their hand control ability. 2.Enlightenment Musical Instrument: The 8 note glockenspiel can cultivate players ' music cells, exercise coordination for hands to eyes, and promote development of left and right brain. 3.Parent-child Interaction: Great musical instrument for home, music studio or pre-school musical classes. It suit for children and parents, which can increase parent-child interaction and nurture parent-child relationships during play. 4.Premium Material: This tubular resonator is made of plastic and metal, and the GABC scale open on both sides. 5.Easy to carry: The xylophone is equipped with a yellow piano case, and the bottom of the piano case has a groove to fix the movable sound brick. There is a handle on the piano case, which is convenient for children to carry. Specification: Name: 8-tone brick knock on piano Weight about 3.75kg Description: Music style: C/D/E/F/G/A/B, with two hammers. colour:colored material:metal + plastic size:26 x 16 x 5cm Package Contents: 5 set x 8-tone brick 5 x Piano box 5 pair x hammers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.