Object Class: Euclid Special Containment Procedures: SCP-406 is to be held in a well-lit, unventilated 3.05mx3.05m (10ftx10ft) room at all times. Temperature is to be held at constant 4.44 degrees Celsius. No personnel are to interact with SCP-406 without contained-atmosphere suits and heavy lead shielding around the head. Interaction is to be held to periods no longer than five minutes. No samples are to be taken, and no invasive testing that may rupture SCP-406 is allowed. Any movement from it must be met with immersion in liquid nitrogen until all movement ends.