Foam Sports Sample Pack

As you may or may not know, I ordered a sample pack from 'Foam Sports' VelocityTag (aka Oznerf member informer, aus_nerf_supplies on ebay). In it contains 5 small 'snap caps', 5 large 'snap caps' and 5 heavy silicone tips. It also contains 15 pieces of what is simply known as 'blue foam'. The pack includes a small piece of a barrel material known as 'PETG' approx 3 inches long (10 or so cm), as well as hot glue and super glue for assembling darts. My pack came with extra snap caps, extra blue foam, 5 pieces of pink foam and 3 light silicone tips.

Obviously the left foam is the pink, right foam is the blue. This foam is stiffer and tougher than Nerf foam, as well as being slightly thicker, making it ideal for Nerf blasters.

This is a picture of all 4 different darts. From left to right, they are: Small Snap Cap, Large Snap Cap, Light Sili Tip, Heavy Sili Tip. I believe they are also suited to blaster of proportionate power - weaker blasters on the left, the most powerful on the right.
Snap caps are small pieces of plastic shaped similar to a dish, such that it can hold a weight inside it. Should the snap cap break off, the weight breaks off with it. They are quite hard.
The sili tips are tips made of silicone (ORLY). They have been designed specifically to provide the optimum weight and shape for Nerf blasters.
In my snap cap darts, I've pulled off the tip of a streamline dart and used that as a weight. As a result, it provides an ideal weight for low power blasters. The two silicone darts are highly accurate and also provided a decent range boost.

In conclusion, I think this is worth your ~$10 - about $5 of it is shipping.