"SKULLDUGGERY, INC."
High Speed Gearbox
The High Speed Gear Box, High Efficiency, is perfect for high speed applications
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Worm Gearbox
With the Worm Gear Box, High Efficiency, it is possible to have high power or high speed with two different gear ratios
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Moving Motion
WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 years due to small parts and small balls.
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Steel Sphere Density Set
Great for teaching that density depends of both mass and volume, students can't seem to put these spheres down! Two steel spheres are great for teaching the skills of observation and deduction.
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Physics Bus
Features a pull back motor and die cast body. Scale: 1:64. Measures 5" long. Ages 3 & up. WARNING: CHOKING HAZARD Small parts. Not for children under 3 yrs.
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Constant Speed Buggy
These uniform motion cars are a staple in the modern physics classroom.
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Solid Balls for Physics Experiments
Drilled balls are used for pendulum bobs or impact experiments, while our other balls are suitable for collision apparatus and density/volume experiments.
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Demonstration Pulleys
Jumbo-Sized Pulleys are Designed for Classroom Demonstrations
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Digital Stroboscope with Flash Rate Display
An economical digital stroboscope.