Sampler (noun)

1. A representative selection of something, such as a variety of fabrics or samples of music.
2. A device for taking samples of a substance, such as soil or water, for testing or analysis.
3. A piece of needlework produced as a demonstration of skill in embroidery or other needlework techniques.

Origin:

Late middle english: from old french essamplere, from late latin exemplarium, from latin exemplum "example".

Examples:

1. The company sent a sampler of their new products to the store.
2. The soil sampler collected samples at various depths.
3. The music producer created a sampler of his best beats.
4. The sampler of different fabrics helped the customer make a decision.
5. The sampler quilt was a beautiful display of various embroidery techniques.