Sound and Light
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Sound Measurement Kit
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Wacky Waves Kit
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Ripple Tank
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$6.95
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By Jack Challoner. Your children will learn all about sound and light with... more
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$14.95
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Measure sound wave lengths and determine the speed of sound with this inexp... more
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$9.95
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Did you know you can build your own seismograph (to record tremors in the e... more
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$132.95
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Study wave motion at home! You will be able to experiment with wave generat... more
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Tuning fork, C, 1024 cps
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Tuning fork, C, 512 cps
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Tuning fork, C, 256 cps
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Spring, helical, 6 ft long
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$4.50
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This tuning fork resonates at a set pitch when tapped. You can also order a... more
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$4.50
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This tuning fork resonates at a set pitch when tapped. You can also order a... more
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$4.50
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This tuning fork resonates at a set pitch when tapped. You can also order a... more
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$11.95
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This six-foot long, 3/4" diameter helical spring is a great tool for studyi... more
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Slinky, metal, extra large
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Slinky, metal, "Original"
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Percussion or Reflex Hammer
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$5.20
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Extra-long 7-1/2 cm diameter slinky specially suited to study longitudinal ... more
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$5.50
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This classic toy is also a very useful tool for demonstrating both traverse... more
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$3.95
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This percussion hammer is 8" long with a hard rubber head permanently joine... more
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