If you aren't familiar with their products, take a look at their site. I highly recommend their books.
They are colorful enough to keep N's interest (as interested as he gets right now, anyway) and the company has a great mission and are green!
I learned about this company through my Citrus Lane subscription, who also passed along this survey offer to its fans. If you are interested in signing up for a subscription through Citrus Lane, you can check out through my referral link. Use code TAKEHALF for half off one month or a 3, 6, or 12 month subscription or use code BREAK10 for 10% off a 6 month subscription.
Click the link below and you should get the voucher within 3-5 business days via email as advertised.