$5 or more and I'll add you to a special thanks section on the eventual website and wherever else I can. I'll also send you a sample of the final product, but only if the goal is reached and they get manufactured.
Donate $10 or more (includes shipping) and I'll try to ship you one randomly colored block once they get manufactured so you can decide whether you want to spring for a full set.
4 out of 4 claimed
Donate $20 or more and I'll send you a sample of the final product or a printed prototype, and add you to the special thanks list.
Donate $100 or more, and you'll get a special, collectible piece compatible with Terrablox, as well as a handful of Terrablox samples or prototypes.