Wells presented his first individual exhibit with collages, embossing and objects at the Lirolay Gallery, on August-September 1961. Among the exhibited work we find: El calefón (The water heater) (cardboard and oil 80 x 60 cm); Objeto de cobre (Copper object) (100 x 100 cm), a bent sheet of copper, concave with a box split in half, screwed to the center of the sheet; Jerry que fue Nathaniel (Jerry who had been Nathaniel) (wooden pieces, 160 x 80 cm, actually shown at the Museo de Arte Moderno de Buenos Aires, Sputnik medieval (Medieval Sputnik) (large object, wood and cardboard, 80 x 40 x 40 cm). Other pieces were executed with cardboards, wooden crate pieces and other similar elements. Towards this time, he started working with cardboard tubes (leftovers from textile shops), dark colors, browns and shoe shine ink.
During this same year, Wells participated in the Second Bienal of Youth in Paris with a wooden and cardboard embossing. He obtained the Ribbon of Honor of the Ver y Estimar Prize, with three of his pieces, one of them made with discarded cardboard tubes which made up the collection of the Destructive Art Group.
In September of 1962, he presented his second individual exhibition at the Lirolay Gallery, under the title of Relieves y esculturas (Embossings and Sculptures). In this opportunity, he exhibited, among other works, an object made of a large tube of rusted tin, open throughout its length, nailed on top