Can you really make a clock work using something other than batteries?
Be a Scientist as you discover how to power this digital clock using potatoes!
Experiment to find out what other substances will power the clock - you will be amazed! (Potatoes and other foods not included).
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Delivery, installations & returns
Free UK delivery on orders over £50
UK standard delivery: 3-5 working days - £4.95
International delivery: 7-10 working days, from £15.
We hope you will be delighted with your purchase, however if you change your mind you can return your order in its original condition, with proof of purchase, to one of our National Trust shops or via our online customer service centre and we will exchange or refund your order.
For more information see our delivery and returns page.