There are hobbies of different kinds. Some are indoor activities and the others are outdoor activities. Some help in relaxing the mind and some the body and some others both mind and body. Collecting stamps, coins, pictures and the like, listening to music, and reading a book can be called indoor hobbies. Drawing, painting, photography, writing poetry and the like may be called both indoor and outdoor hobbies. Gardening, hunting, fishing, swimming, bird watching, and star gazing are all outdoor hobbies.

People choose their hobbies according to their interests and tastes. Relaxation and pleasure are the principles that guide the choice. Hobbies not only delight, but also educate. Hobbies develop curiosity. Collecting stamps and coins of various countries, no doubt, gives pleasure. At the same time, it helps one to know the geography, the history and the culture of the countries concerned.