British Guernsey inventor Willy Johnson, has come up with ToPo®, plastic bottle caps that convert into a toy brick, similar to Lego, but larger. The bricks can be joined together to make towers and shapes, again just like Lego.
Every week, a big number of screwtop bottle caps are thrown away without a thought. By replacing them with ToPo®, children – especially those in the Third World who have nothing – will get a free, educational toy.