Get ready to create your own electronic lab with Robbie Toys Mini Lab Electronics. It includes everything you need to build an alarm, like a non-solder component with a light sensor, a buzzer, an LED, transistors, and resistors. It has six electronic activities that are explained step by step in the included 16-page full-colour illustrated booklet. Also, it requires 2 x AA batteries, not supplied. Perfect for children aged eight years and above.