Show toy dog answers call calf A toy dog which aich nt at the word ot or command nill rush from its kennel Is one of the Ingeni ingenious tius product ct of those whose business ll it Is to please the children A microphone Is placed inside the kennel A t sharp noise causes it to vibrate and come in contact nath a piece of metal this closes an electrical circuit equipped with a small battery and connected with an electromagnet electro mag net the pull of the latter on its armature releases the catch of the spring and out pops the toy animal |