Water powered 8-digit calculator. Replacable H2O cells.
Our Price:£7.49
H2O Water Power 12-Digit Large Display Calculator(H212CLC)
A water powered calculator! With a Large, Clear, 12-Digit Display.
Our Price:£14.97
H20 Water Powered Multifunction Clock / Alarm(H2CLK)
A clock / alarm clock - powered by water! Multifunctions including Time, date, day, year, temperature, countdown timer, alarm clock, water switching function.
