This bamboo scoop is a regular feature at the Tea ceremony in Japan where it is called chashaku, it is traditionally used to measure out matcha as part of the Japanese tea ceremony also known as The Way of Tea or Chanoyu. You can buy mighty matcha here and traditional matcha whisks here.
It is very easy to make and enjoy Matcha tea. This is a fantastic guide to making matcha. From the water temperature to the quantity of matcha needed, this video shows it all.