... series, some sounds use for daily life ,etc.), and send me your own design.b, I will make ... the DEMO board(sound sample) according to yours, and send you drawing depends on your design.c, If ... also can make the book according to your design,and we have long-term cooperant printer .so the price ... .C, function: there are 6 buttons , one button and one different sound--press a button ,it sounds (frog ...