Stimulation is the encouragement of development or the cause of activity generally. For example, The press provides stimulation of political discourse. An interesting or fun activity can be described as stimulating, regardless of its physical effects on senses. Stimulate means to act as a stimulus to; stimulus means something that rouses the recipient to activity; stimuli is the plural of stimulus. A particular use of the term is physiological stimulation, which refers to sensory excitation, the action of various agents or forms of energy on receptors that generate impulses that travel through nerves to the brain (afferents).
Scarabs were made in a wide variety of materials, such as carnelian, lapis lazuli, basalt, limestone, malachite, schist, serpentine, turquoise, colored glass, and alabaster. Pottery scarabs were also produced in terra-cotta molds, carved when dry and different colored glazes applied.
If you look around your neighborhood you will see homes, stores, streets and cars. All of these things are made from different building materials. The homes and stores are made from bricks, cement, wood and nails. The roads are made from asphalt or cement. All the cars are made from metal, glass, rubber and plastic. When you look around you also see plants and animals. Just like the buildings and cars in your neighborhood, living things are made from building materials.