4M Kidz Labs Buzz Wire Kit Construct a buzz wire and learn how electric circuits connect. Twist and crimp wire into a variety of shapes for an intricate and creative circuit. Challenge friends and family to avoid the buzzer. The kit includes platform, buzzer, insulated electrical wire, and instructions. This set is recommended for ages 8 years and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun.