S107 Syma - 3 Channel Radio Controlled Infrared Remote Controlled Electric RC Micro Mini Helicopter w/ Gyro + Colorful Strobing LED Lights. This S107 equipped with NEW Gyroscope System for simpliest controls and stabilities, NEW Metal Frame & Body for extra durabilities, NEW Awesome Look and Design, and Bright strobing muti-color LED headlights so you can enjoy flying in the dark. At only 7" long, it easily fits in the palm of your hand and is fully functional. This S107 even has the option to charge directly from computer's USB port (USB cable included) or transmitter which uses "AA" batteries! S107 is in RED & YELLOW colors. Each Helicopter is individually packed in a window box. Box size: 17.75"L x 3"W x 7.25"H.
— As of 05/21/2012 this product had 4 out of 5 stars from 730 reviews on Amazon.com. PROS: Lightweight, durable, two methods of charging. CONS: Not suitable for children under 14; repairs are difficult.