This product, in theory should be excellent. I bought it for my 7 year old son with the idea of a project for after Christmas to do with his Daddy. My husband has spent the last 4 weeks making bricks in a TINY mould - you need to make 500+ and the mould allows you to make 24 at a time. Far too fiddly and delicate for little hands. At last, the bricks are completed and we all sit down to construct .......... only the EVA glue does not stick the bricks and they literally fall apart and the glue peals off. SO DISAPPOINTED. Does not do what it says on the tin.