Published on March 6, 2017
This is very dangerous experiment! Do not try this without wearing eye-protection glass.
Materials : Bicycle hand air pump, Rubber hose, Cotton stick, Straw.
Longer straw is more powerful.
This is very dangerous experiment! Do not try this without wearing eye-protection glass.
Materials : Bicycle hand air pump, Rubber hose, Cotton stick, Straw.
Longer straw is more powerful.