Features of Handheld Periscope:
Reflection principle of light
Physical optical reflection teaching tools.
360°Rotatable lens, quick detachable, expandable.
Train your children observation capability, thinking and analytical skills
Handheld Stroboscope is used in the experiment of scientific stroboscopic observation in primary and secondary schools to prove that vision has the characteristics of persistence. A supporting shaft and a 90 ° straight handle are installed in the center of the disc, and a nut is arranged at the end of the shaft, so that the disc does not come out. The disc can be rotated by hand around the central axis.
Read MoreSend InquirySecchi Disk is used to determine the transparency of water in lakes, streams, oceans, and other bodies of water. The disk is 9 inches in diameter with alternating black and white quadrants. By placing the disk in water and holding onto the string a user can measure the clarity and turbidity of water.
Read MoreSend InquiryLaser Refraction Tank effectively demonstrates the laws of reflection and refraction. The 16 cm diameter acrylic water tank has a Degree scale and a moveable arm carrying a laser activated by a momentary switch. The sharp beam of light produced by the laser can be adjusted to pass the center of the scale.
Read MoreSend InquiryPhysical Demonstration Polarizer consists of a polarizer, a polarizer and a base with a diameter of 200 mm, a thickness of 3 mm and a polarization diameter of 160 mm. It is printed with 360-degree calibration lines and a base size of 250*35*32 mm.
Read MoreSend InquiryMirage Magic Illusion is powered by ambient lightNo film is neccessaryObjects are rendered in full, natural colorObjects may be easily changedObjects display lifelike, 3-D appearanceViewable from 360 degreesNo skill or training needed to operate it The Mirage DiameterOpeningHeightWeight9"2"3"1 lb.Warning: Choking Hazard -Small Parts. Not for children under 3 years.
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