I bought these last year for children for Christmas and more this year for my nephews. They love them. All you do is crank and go. I use my son's all the time. I sent one to college and the others are being used by boys ages 8-16. They have held up wonderfully.
This flashlight is an awesome tool to keep in your car during winter driving. You never have to worry about batteries! Very well built and fits nicely in glove box. My sister wants one now!
I purchased three of these on sale and they are great. Wind for one minute and they produce tremendous light. After playing with the flashlights for a few minutes, they were turned off. Three days later, they were still charged any ready for action!