If you like your Leagues Human and your Mondays Blue, then this is the kit for you! Be transported back to the 80s by constructing your own working electronic synthesizer. Includes all components and full step-by-step instructions. The perfect gift for all makers and lovers of all things retro! Requires 2 AA (1.5 V) batteries (not included). Assembly requires some basic soldering. This is not a toy. Not suitable for children under 14 years of age.