Most people here seemed to have quite a hassle with these and while my experience was not perfect and I somewhat satisfied with the final product. All of the various material that I have read makes the procedure seem far easier than it really is. I am sure that after doing it once I could do better the second time... in fact I think that the designers of the product sort of skew things to make you fail so you do buy that second and third kit. One small mistake can throw the whole thing off as was the case with me. The particular mistake with me was cutting the tube longer than what I needed I figured the extra space wouldn't matter really and would give me a bit more to hold on to as the gel set... big mistake the extra space lead to an bubble at the end which which when the gel was fully set caused a small hole at the head section of my mold. This hole caused a void of space which resulted in me not having enough rubber compound to fill the mold. The kit could definitely be improved more materials, a slightly more roomy molding tube... Over all I give it a score of 5.5... The final product is not bad despite the small defects. If you decide to try this make sure you follow the directions as closely as possible the room for error is slim here. One more thing I used the glow in the dark version and that part at least seems to work quite well A few pics: here you can see how it doesn't quite fill the mold Here you can kinda make out the rubber that leaked out The next two you can see just how much leaked out due to the air bubble And finally the partial cast with the excess trimmed away Question? Comments?