... 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 ... you approved DEMO sound and drawing , we will open new mold and be IC masking.d, providing ... function: there are 6 buttons , one button and one different sound--press a button ,it sounds (frog sound,cow sound, ...