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A hollow block with six connectable faces by which it can connect with other ones and stretch from six different directions. It can be made for toys. It's china patent with apply no.:99107530.7 Which was approved on Nov.27 2002.

A multi-layer hollow block is one portion of the patent. It can be made for toys or craft works with colorful inner layers and transparent outside layer. Each layer is made by injected plastic and got integrity shape without hiring glue. Each inner layer is trapped in the next outer layer and the inner one can move freely in the outer one. The number of layers is not limited.

I am seeking an investor for making it. It is also considerable to sell or make over the whole patent to investor.