Combine the power of Arduino with Squishy Circuits in the Crazy Circuits With Squishy Circuits kit. The included Touch Board provides users with the ability to turn the included Squishy Circuits Dough into interactive programming projects. Create your own programs or use one of the many online guides or tutorials. Make your own dough based lighting and sound system or even your own dough based game controller! Crazy Circuits parts are compatible with LEGO and similar brick building systems. Crazy Circuits parts come 100% ready to go out of the box, which means no soldering or preparation required.