Instant Wall (3.5e Equipment)
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Instant Wall: This item is found as a large, stone sphere with three finger holes. It weighs ten pounds. When placed and a command word spoken, it grows into a stone wall over a one minute period. In all other respects, it behaves like a wall of stone.
Moderate; (DC 19) Conjuration;CL 12th; Craft Wonderous Item, Wall of Stone; Cost 500gp, 40 XP, 1 Day; Activation: Standard (Command); Weight: 10 lb. lb.; Market Price: 1,000 gp