Beyond necessities, guaranteed basic income allows some parents to afford toys or activities for their kids.jacoblund / Getty ImagesBeyond necessities, some parents spend basic income on toys and activities for their children.Participants say buying some nonessential items improved their family's quality of life.Some benefits of GBI can be difficult to measure in quantitative data, experts say.At the store, Monique Gonzalez's daughters chose matching pairs of Converse high-tops.