Miniature 3-Part Adult Human Skull Model with Articulated Mandible, 2.5" Graduations_Raised 75-inch plano-convex lenses in an

75-inch plano-convex lenses in an aluminum frame

Two-hundred-fifty-ohm 5W fixed resistor in an ABS module with 4mm sockets

this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit

hand-painted and key-card labeled

the ready-to-use indicator for cell-culture-media pH monitoring and biology acid-base demonstrations near the neutral range

Miniature 3-Part Adult Human Skull Model with Articulated Mandible, 2.5" Graduations_Raised 75-inch plano-convex lenses in anCompact three part skull separates at a removable skullcap and articulated mandible, exposing major foramina, fossae, and canals at a desktop scale.