Get nautically clued up and environmentally friendly all in one go and for the bargain price of just £35. The Recycled Time and Tide Clock from ashortwalk.com is made from recycled plastic cups (a bin liner full per clock) yet feels like natural slate to the touch. Itís dead easy to use. Simply set the tide hand at high tide for your chosen location and the clock will tell you the state of the tide there at any time. As a green bonus not only are you saving on landfill but the production of these items produces about 50% less CO2 than making them from virgin materials.