Figure of Ishigami Senkuu captures the inventor's confident pose and scientific zeal. The model stands with one hand on his hip and the other gesturing as if delivering a calculation, supported by a sturdy base that hints at stone-mechanical science. He wears a crisp white lab coat over a simple outfit, with printed pockets and rolled sleeves showing his practical, hands-on style. Fine detailing highlights his glasses, hair, and expression—intense concentration, a hint of a smile, and a determined gaze toward the horizon of scientific discovery. The sculpt emphasises dynamic balance, crisp panel lines, subtle weathering on the coat, and accessories like test tubes or circuitry elements integrated into the base. The color palette favors clean whites, pale blues, and metallic accents to evoke a laboratory world.

Ishigami Senkuu is Dr. Stone's genius strategist and scientist, leading humanity's revival by reconstructing ancient technology from scratch. In Zoukei no Kagaku, his resolve is tested as he builds a future from the shards of the Stone Age, turning curiosity into practical experiments, formulas, and machines. As the series progresses, he balances arrogance with humility, teaching his friends to plan, test, and iterate. His character embodies the power of science to unify people, solve problems, and outsmart the obstacles posed by nature and rival factions. This figure celebrates his role as the brain of Team Stone, a beacon of ingenuity amid a world reshaped by science.