Amazon.com: Movable Nendoroid Shiina Mayuri figure, the figure is from the animation "Stein's Gate", alias Mayu's Meow, standing posture is 3.9 inches high, figure made of PVC material, including base and accesso :
Steins;Gate – Makise Kurisu & Shiina Mayuri Support Ver. Nendoroid No.197 action figure by Good Smile Company – Neko Magic
Kahotan's Blog | GOOD SMILE COMPANY Figure Reviews | Nendoroid Mayuri Shiina