We have seen amazing ways to recycle different types of plastic , but this group of Brazilian went further and created a reusable bottle cap which can be used as building blocks instead of ending up in the trash bin. Using them as blocks requires no additional steps. Other differential is that they are compatible with Lego bricks. The caps can be used as toys and also as raw material for artists, learning tools to ring the environmental awareness and help develop the creativity of people of all ages.
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