In order to be charged with simple battery, your unlawful contact must have caused physical pain or injury. (kostlaw.com)
Exploring electricity is also mind blowing for children, and simple battery circuits with bells, lights and switches are both safe and easy to make. (toddler-activities-at-home.com)
We're big fans of how simple this battery - powered powerhouse is to get started. (geekwrapped.com)