Water Powered Calculator

No batteries - just add water to this handy digital calculator.

£4.99 (Inc. VAT)

Qty:

This water powered digital Calculator has an 8 digit display and includes memory, square root and percentage functions.

• Say hello to H₂O power!
• No batteries - just add water
• Amaze your friends!
• Brilliant for school children

Water power is the latest in ecological and environmental design. Incorporating dependable water powered technology to power the digital products that we use in our everyday lives.

This innovative, patented technology runs purely on water. You will only need to add water typically once a month.

To read how water power works click here.

Comes with 1 year guarantee and useful life of at least 2 years.