With this set, you can assemble a 21-tone thumb piano with kids to develop their hands-on ability and musical sense.
Specifications:
Material: Manganese steel + solid wood
Number of Keys: 21
21-tone(from left to right): 1(D2), 2(B7), 3(G5), 4(E3), 5(C1), 6(A6), 7(F4), 8(D2), 9(B7),10(G5),11(F4),12(A6),13(C1),14(E3),15(G5),16(B7),17(D2),18(F4),19(A6), 20(C1), 21(E3)
Key Width: 4mm
Package Size: Approx. 230*100*25mm / 9.06*3.94*0.98in
Package Weight: Approx. 165g / 5.82oz
Packing List:
1 * Set of Shrapnel
6 * Screw
2 * Sleeper
1 * Tuning Hammer