I recently bought this light box and LOVE it. Hard do beat the price too. And at $36, it's the best price I've come across. Go get yours!

Tracing Light Box, AGPtek 17"(A4 Size) LED Artcraft Tracing Light Pad Light Box For Artists,Drawing, Sketching, Animation

9' 8" long with 30 non-blinking, mini, LED rice lights
Super Thin & Portable design. The thickness is only 6.2mm and the light box weights 625g which makes the it portable.
The light IS adjustable so you can set it to whatever brightness you wish.
Touch sensor Switch Design , turn on/off and brightness control easily just by slight touch.
Ideal for Stenciling, 2D Animation, Calligraphy, Embossing, Scrapbooking, Tattoo Transferring, Sketching & Drawing, Sewing projects, Stained Glass, Quilting etc.