Grandfather's Clock

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Arbor Scientific Digital Stopwatch Timer
Digital Stopwatch Timer

$9.95

Arbor Scientific Ring Stand Base with Rod
Ring Stand Base with Rod

$17.00

Arbor Scientific Chrome Plated Iron ball with hole, 4/pk
Chrome Plated Iron ball with hole, 4/pk

$13.00

Arbor Scientific No-Stretch Pulley String, 25 meters
No-Stretch Pulley String, 25 meters

$3.75

Arbor Scientific Meter Stick 6 pack
Meter Stick 6 pack

$18.00

Arbor Scientific Pendulum Clamp
Pendulum Clamp

$21.00