This product (a divue) is a probability device useful for coin and dice probability demonstrations in the classroom. It is constructed so that dice may be dropped through a randomizing hopper and displayed to the entire classroom through a large mirror. Two sets of large dice are provided with the divue, with one set biased by the insertion of lead weights in the "six" spots so that a six appears less frequently and a one more frequently than with fair dice. Also included are five "coins" (blue and red poker chips fastened together to simulate heads and tails). The divue is of sturdy wood construction and the mirror is of unbreakable plexiglass. The latter is apparently solidly affixed to the body of the divue, and the overall construction suggests that this product would provide many years of good service. The divue is designed for classroom use and may be used to introduce students to basic concepts of statistics or to actually conduct dice and coin experiments with the entire class involved. The accompanying literature claims that it can be read up to about 75 feet by people with normal eyesight and over a sweep of 90 degrees. The manufacturer also claims that it can be placed in the corner of a room 50 feet square and be read by everyone in the room. These specifications are achieved quite easily by the divue with the large "coins" and jumbo dice supplied. The reviewer tested the divue in a standard sized classroom seating 50 students and in a large sloped lecture hall seating over 250. Even in the lecture hall it was surprising to find that, when placed on the desk in front of the room with a slight upward tilt, it could be read clearly everywhere in the room, with the exception of seats in the front rows outside the 90 degree sweep angle. A ten-page teaching guide is included which provides a discussion of various probability principles and coin or dice experiments which may be demonstrated with the divue. The guide, incidentally, records the results of 1,000 tosses of one of the loaded dice in which the one and six occurred 20.8 percent and 11.4 percent of the time, as contrasted with a 16.7 percent expectation for a fair die. The relative frequency of occurrence for the other four faces are reasonably near the value .167. The regular jumbo dice may be purchased separately for $2.60 a pair and the jumbo biased dice for $4.00 a pair. The divue and accompanying "coins" and dice are an effective classroom demonstrator of possible use to any teacher wishing to use dice or coin experiments in the classroom. It is one of the few probability devices of practical use available at a price within the budget of most teaching departments.