You May Know Potatoes As A Good Source Of Potassium,
But Did You Know They Can Be Used To Power An Alarm Clock. 7 Years And Up.
The Two Potato Clock Allows You To Generate Enough Electricity To Run A Digital Clock Using Potatoes Just Push The Zinc And Copper Electrodes Into The Potatoes Causing An Oxidation/Reduction Reaction That Is Converted To Low Voltage.
Suitable for 10 years and above.
$13.90 SGD $17.90 SGD
Weight: 174gSize: 210×181×51mmFeatures: 3 different working models. Build your own kit with these kits. The kit will not work if built wrong . Only one project can be completed...
$16.90 SGD $24.90 SGD
Helps with fine Motor Skills Eye - hand co-ordination Concentration 3 ways to play this fun game 1. As a pin ball 2. Fishing 3. Throwing the rings into the...
$15.90 SGD $19.90 SGD
3 Part Cards - Parts of a BUTTERFLY A great set to progress to the abstract This 3 part cards consists of : 9 control cards + 9 matching cards...