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A full set of cards showing the elements from the Periodic Table. The front of each card shows a beautiful photograph of the element, while the bac Pack of 1

The front of each card shows a beautiful photograph of the element, while the back includes detailed scientific information and a description of the sample shown on the front. Laid out together the cards form a periodic table over 7.5 feet (2.3m) wide.

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Hydrochromic pigments change colour when exposed to water. This version is a reversible pigment which works by forming an opaque film that covers a Pack of 1

An amazing paint formula which changes from opaque to transparent when it gets wet. Typically the paint is applied over an image to produce a plain white surface as the paint dries. If the surface is then brushed over with water the hidden image is revealed. As the surface dries it returns to its...

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The amazing ferrofluid is a truly magnetic liquid that consists of micron size magnetic particles (magnetite) in a mineral oil. Particles are coate Pack of 1

The amazing ferrofluid is a truly magnetic liquid that consists of micron size magnetic particles (magnetite) in a mineral oil. Particles are coated in a surfactant which prevents them clumping together.

When a magnet is in close proximity the magnetic particles in the Ferrofluid take up th...

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Smart putty has been available for a long time as an amusement, but this visco-elastic polymer has serious engineering applications.

Soft, st Pack of 1 "

Smart putty is a highly versatile and remarkable property. Soft mouldable plastic (like chewing gum), but instantly becomes a rubber if impacted and bounces like a ball. It can also float in a liquid and will form a puddle given enough time. It is a great demonstration of an unusual polymer, a u...

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Bigalogue 2022
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