Personally I (Princess Karen) have 3 boys ages 14, 13 and 4 and they are begging for solar powered toys this year for Christmas. I started searching for them on Amazon and I thought I would share some of what I found (remember solar powered toys may be a little bit more expensive; however NO BATTERIES!!). I must also say that my oldest is really into engineering stuff and figuring out how things work and learning more about solar energy so these things appeal to him. I have noticed some things say they require adult help so be sure to read the reviews.
Here are some I am thinking about getting:
Disclosure: Prices on Amazon are subject to change at any time. It is recommended that you verify the price in your shopping cart BEFORE you complete the checkout process.