reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam
Diy Maglev Kit Pro 80Cm Track, Build your own Quantum Levitation maglev track, Experience frictionless motion in both levitation and suspension. Kit includes: Quantum Standard Levitator medium Plastic tweezers 300 NdFeB block magnets, Stainless steel track 80cm
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