Details:Create a whole new view of the world for your master builders with these Block Mania prism scopes. Modeled after their favorite toy, each prism scope features the familiar brick building patterns kids love. As they look through the peep hole, light will reflect off the prism lens and create stunning visual effects of their surroundings. A great party favor for a ever-growing popular party theme, Block Mania!. Discount pricing offer only from CarnivalSource.com.