collage

a piece of art that is made of glued-down scraps and shapes of various materials- such as paper, cardboard, fabric, or tissue. 


Source
https://www.tes.com/lessons/Pan6JygDexILrQ/s-p-collage

Eric Carle

an American designer, illustrator, and writer of children's books like "The Very Hungry Caterpillar". He was born in 1929.


Source
https://storytoys.com/interview-eric-carle-87th-birthday-2/

exhibition

a public display of works of art or other items of interest, held in an art gallery or museum.


Source
http://www.theblogazine.com/category/art/

nostalgia

a sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations.