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Reviews
1. Toysmith Euler's Disk
Feature
Spin science into artYou won't believe your eyes or ears
Disk will spin faster and louder the longer it goes
Just give it a spin and gravity does the rest
A hypnotic display of light and sound
Patented 3" diameter chrome-plated steel disk
Creates a hypnotic display of light and sound as it rotates
Includes Disk, 9" concave mirror base and 9 pieces of holographic foil
Foil is magnetized
Description
Fascinating Desktop Illusions! Spin the holographic disk on the mirror. Does it speed up? Listen to its rhythmic sounds. Why does the humming get louder as the speed of the disk increases? This patented 3" diameter chrome-plated steel disk creates a hypnotic display of light and sound as it rotates. Includes Euler's Disk, 9" concave mirror base and nine pieces of magnetized holographic foil. Complete with instructions and the scientific answers!2. Toysmith 3-D Mirascope (6-Inch)
Feature
The mirascope takes small objects and uses an optical illusion to create a 3D holographic projection.The mirascope includes a plastic frog to display and complete instructions for use.
Objects can be changed easily for a variety of incredible effects.
The mirascope makes a great conversation piece, and is perfectly sized for a desk or table top.
Recommended for ages 8 years and up.
Challenge your children's imaginations and keep them active with Toysmith.
Committed to providing the most imaginative toys along with the highest safety standards, Toysmith has toys appropriate for all age groups.
Toysmith offers toys for any kind of play: active play, science and discovery, arts and crafts, impulse and novelty toys, and nostalgic retro classics.
Perfect for a desktop this 6" mirascope creates a holographic that looks real
Try and touch it, your fingers go right through
Objects can be changed easily for incredible effects
Includes plastic frog and instructions
Ages 8 and up
Description
Transform ordinary objects into awesome holograms with the Toysmith 3-D Mirascope. The mirascope takes small objects and uses an optical illusion to create a 3D holographic projection. The mirascope includes a plastic frog to display and complete instructions for use. Objects can be changed easily for a variety of incredible effects. The mirascope makes a great conversation piece, and is perfectly sized for a desk or table top. Recommended for ages 8 years and up.3. Metal Flip Over Top (Tippie Top) by Gyroscope.com
Feature
Highly polished metal topFlips over seconds after spinning
29mm in diameter ( 1.14 inches )
Spinning top
Description
These are highly polished solid metal flip over tops. They have a chrome like finish and are excellently machined. Simply spin it as normal and watch it suddenly flip over and then continue to spin upside-down. These flip over tops (often known as a The Tippe Top) were originally invented in 1950 by the Danish engineer Werner Ostberg. His inspiration can from a visit to South America where he had seen local people playing with a small, round fruit. When they turned it by the stalk like an old-fashioned spinning top, it would spin for a second and then invert and spin on the stalk. However some credit should be given to Helene Sperl who in 1891 patented a Wendekreisel in Germany. However the patent ran out and it was never mass produced. These tops are made from polished aluminium and are 29mm in diameter.4. PhiTOP Stress Relieving Ellipsoid Spinning Top Physics Marvel and Optics Art
Feature
SOOTHING AND RELAXING - Its aluminum mirrored finish and ellipsoid shape is known to relieve stress and be an aid with meditation. Give it a spin to enjoy the captivate sights and mesmerizing sounds.PHYSIC-ALLY ENTRANCING - When spun at high speeds on its side, it will seemingly magically shift its position upright and vertical demonstrating angular momentum. Be amazed at how this unique shape can go from laying on its side to standing up with just one spin!
NO NEED TO FIDGET - In the course of its spin on the concave mirror, you will see physics take its place with Lissajous figures, electrodynamics, and the gelatinous ellipsoid effect. Shine some light on it and treat yourself to a fantastic light show.
CHICKEN OR THE PHITOP? - What came first, the chicken or the PhiTOP? Going back 150 years, physicists have been analyzing the cause of the rise of the center of mass of spinning. See if you can help figure it out.
ENJOYABLE FOR ALL AGES - Anyone from ages 5 to 105 will be ecstatic with what happens to this top after it has been spun. As it slows down, it provides an astonishing optical illusion with a relaxing sound while capturing the imagination of young children and adults. Have fun and challenge friends to see who can spin it the longest.
Description
What is the PhiTOP? It is a prolate ellipsoid with a highly specific ratio of length/width. It is a unique spinning top. It is a beautiful kinetic artwork. It is an elegant miniature sculpture. It is an effective stress reliever. And it demonstrates a bevy of scientific concepts from disparate studies in the field of physics! Spin it on its side at high speeds and watch as it seemingly magically rises to an upright/vertical position as it turns! The set also includes a concave mirrored surface to help you get the hang of your spinning technique. Makes an excellent conversation starter, and a great and unique gift for all ages.5. Innovating Science - Ferrofluid - Magnetic Fluid Demonstration - 50mL
Feature
You can demonstrate magnetic fields for your students in a very visual way.WARNING: This is not a toy, this product is intended for scientific use by ages 13 and up.
Includes 50mL of ferrofluid
Description
Ferrofluid is a colloidal liquid made of particles less than 10 nanometers in diameter. When exposed to to a magnetic field, the nanoparticles form regular patterns of peaks and valleys.6. Euler's Disk Spinning and Rotating Light
Feature
Related Products:TOP-300,TOP-375,TOP-225,LEV-300
We cannot honor tax exemptions.
Description
Give the disk a spin and observe the hypnotic display of light and continually changing sound. The movement seems to go forever, spinning and precessing as it slowly transforms gravitational potential energy into kinetic. The concave mirror base provides an ideal reflective surface to see the visual effects. Amazing to use in a darkened room with a flashlight or laser. Includes magnetic holographic film. 7.5 cm dia. disk, 20 cm dia. mirror.7. ELENKER New Low Temperature Stirling Engine Education Toy
Feature
Size:205 x 113 x 138mm(8.07x4.45x5.43inch). Run freely on top top of hot water or cold ice.This low temperature stirling engine,runs on a hot cup of water, wait a couple of seconds, gently flip the wheel,then it will run itself. It also can be used for teaching purpose.
The bigger the temperature difference between the top and bottom plates the higher rpm you will get, speed up to 180-200 rpm
If there is a little noisy, only use a little graphite dry lube or a pencil quieted it down nicely. Do not use oil to lubricate,which will mix with dust in the air, and become a oil-dirt, finally make the friction to be even bigger.
Material :Steel and glass.
Description
ELENKER New Low Temperature Stirling Engine Education ToyFeatures:
Speed up to 180-200 RPM
Start temperaure difference:20 Celsius
Color:Silver Bottom Gold Flywheel
Material :Steel and Glass
Size:205x 113x 138mm
Weight:322 Grams
Attention:
If there is a little noisy, ONLY use a little graphite dry lube quieted it down nicely. Prohibit to add oil to lubricate.Because the oil will mix with dust in the air, and become a oil-dirt, finally make the friction to be even bigger.The stirling engine can't run freely.
How it works:
This is traditionally known as an external combustion engine in contrast to an internal combustion engine where the heat input is by combustion of a fuel within the body of the working fluid. Unlike the steam engine's use of water in both its liquid and gaseous phases as the working fluid,the Stirling engine encloses a fixed quantity of permanently gaseous fluid such as air or helium. As in all heat engines, the general cycle consists of compressing cool gas, heating the gas, expanding the hot gas, and finally cooling the gas before repeating the cycle. You can put the stirling motor toy in top of hot water to make the temperature difference. You also can put it in top of ICE to get the termperature difference, Just enjoy the toy!
Package Included:
1 x Low Temperature Stirling Engine
8. Euler's Spinning Disk
Feature
Euler's Disk amazes as it demonstrates the math and physics of spolling (spinning and rolling) of rigid bodiesSpin the included disk on the concave mirror and watch as the disk spolls for remarkably long periods of time
As it spolls, its appearance changes and it begins to generate a mysterious hum until the motion abruptly ends
A fascinating and entertaining toy for any scientifically minded child or adult; Makes a great desk toy
Description
Euler's Disk amazes as it demonstrates the math and physics of spolling (spinning and rolling) of rigid bodies. Spin the included disk on the concave mirror and watch as the disk spolls for remarkably long periods of time.9. Eisco Labs Helmholtz Coils on base. 400 turns of copper wire on 150mm diameter form
Feature
400 turns of copper wire are wound on former of about 150 mm diameter4mm terminals
The maximum current in the coil is 1A to avoid overheating
Min & Max distance coils can be a part: 1.75" to 12"
Direction of current is marked on each coil.
Description
A pair of precision coils with 4mm terminals and 400 turns of copper wire are wound on former of about 150 mm diameter. The coil is comprised of a support rod, which fits on the holders of the track system supplied, which enables them to be aligned on a common axis for measurements and study of the magnetic fields. Normally used in pairs, each coil has 4 mm terminals and their distance apart is adjusted over the track supplied. The maximum current in the coil is 1A to avoid overheating. Direction of current is marked on each coil. Min & Max distance coils can be a part: 1.75" to 12" 6.5" tall , 11" Long 6.5" wide10. Optical Glass Rectangle: 3.9" (115mm) X 2.6" (65mm) X 0.7"(18mm), made of optical glass
Feature
Product is for studying refraction and geometrical optics in physics and physical science classesOptical glass polished and worked on all surfaces
Glass is free from bubbles and imperfections
All edges have slight bevel
Perfect for teaching physics students the principles of refraction