A fabulous starter set for electronics with over 500 experiments. These clever snap together electronic units means no more poor connections and badly fitted components. The snap helps you know you have a guaranteed flow of current and each component is safely mounted on easy to handle pieces. Brain Box Electronic Science Kit by Microbot Snap Together 500 Experiments. 2003 Microrobot. Imported. Uses 2 AA batteries (not included). Manual Book Included. Suitable for 11 to 14 years, includes basic circuitry plus some challenging problem solving circuits. Includes booklet with over 500 experiments.