Sound Expression Greetings® Halloween Light Activated Talking Sound Chips Make your Halloween Characters come to life! Video Demo: https://youtu.be/o7M7Cg1XNCg HALLOWEEN FUN with YOUR CUSTOM VOICE MESSAGES! So Much Fun! Personalize Light activated sound modules to add voices and sound effects to your Halloween decorations. :) Sure to bring lots of smiles and laughs. Also popular in business promotions, music boxes, promo mailers, gag gifts for friends/family, Halloween surprises and more. How it Works: The modules are custom recorded with your 20 sec. message by pressing a button. Then, just peel and stick and they automatically play when exposed to light. Note: Must be in complete darkness and then exposed to light to play. Sold in sets of 10. Order details: light activated sound chips: http://soundexpressiongreetings.com/product/light-activated-sound-modules/ We bring your great ideas to life!