4M Logiblocs E-Building Blocks System Alarm Tech Kids Science Kit

Build your own custom alarms with logiblocs! This steam science kit includes color coded, plug-and-play electronic building blocks, Each color coded with unique functions that can be combined to create custom circuits. The kit includes Essential blocks, a light sensor, switch buttons and a beeper to create a wide more than 30 functions, from a rain detector to a voice recorded message box. Recommended for ages 5 years and up and requires three AAA batteries (not included).