Convection captures the kinetic sensibility that defines Alexander Calder's artistic vision, translating his celebrated mobile sculptures into the realm of printmaking. Created in 1974 as part of the Flying Colors Portfolio, this lithograph demonstrates the artist's mastery of compositional balance and movement across a two-dimensional surface. Vibrant abstract forms seem to drift and rotate within the picture plane, their interplay of color and negative space evoking the invisible forces of air currents and thermal dynamics suggested by the work's title. The composition radiates an almost musical quality, with each element carefully positioned to create a sense of perpetual motion despite the static nature of the medium. This piece represents a significant moment in Calder's late career, when the artist continued to explore the relationship between color, form, and spatial arrangement. The lithographic process allowed Calder to achieve a directness and spontaneity in his artistic expression, while the bold palette and geometric vocabulary remain consistent with his decades of innovative work in sculpture and painting. For collectors, this portfolio print offers access to a major twentieth-century artist's exploration of fundamental principles of design and perception at a more intimate scale than his monumental public works. The framing preserves the work in exhibition-quality condition, making it ready for immediate display.