Now here are some great one-off controllers and effects — inexpensive, fixed purpose, but do it well and cheaply — Halloween electronic products from Haunt Master Products, Inc.. Also MAGIC GADGETS HOME PAGE. and Cowlacious Designs Halloween Products & Pages. and Scream In The Dark props and electronic effects. Source for various kits — electronic kits, robot, fm transmitter, electronic circuit, ham radio Simple IR controlled power strips — All Electronics Corp.