Cola, Fanta and Sprite but you can use any drink! You need: Cardboard Battery 1- 9V dc 6V mini air pump motor 3 x Push button switch 2 tubes thin and thick one Wires If you like this video don't ...

In this captivating DIY science project, learn how to make a mini water pump to supply a rice farm efficiently. Perfect for ...

Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops sitting at a higher ...