I'm fan of The Outer Limits TV show. Herewith the "Specimen Unknown" Box from the episode named : "Specimen Unknown". A great gift idea for Halloween :). Material: Natural Full Color Sandstone. Size : 4.13 x 1.55 x 2.80 cm. This mini robot being designed replicates the behavior of the original "Specimen Unknown Box" in the "Outer Limits" TV Show. The robotic version is under development and includes: 2 diodes (Green when box opened, Red when box locked), a tilt switch (shock sensor) to manage diode, an ATTiny85 chip on which I inject Arduino C code to drive everything, and to simulate that he has an alien inside a buzzer or a jumping pea ! Power supply: Lithium battery: 3.3v - Note: the robotic version requires iterations at the 3D Printing level, in electronics (PCB) and in code. I therefore sell the non-robotic version to finance the development of the robotic version. Other 3D Printing creation inspired by the series "The Outer Limits" are available in the store (Cf The Zanti, The Specimen Unknown Box)