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Filter Paper 6" Diameter Set of 10 sheets
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150mm or 6" Diameter Filter paper. Set of 10 sheets. No need to buy packs of hundreds of filter papers sheets. For laboratory use.
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Large Water Stars 65mm 5pc
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Oversized Star-shaped version of our popular Water Marbles. Soak in water for 2-3 days for the full effect. Grows from 8mm diameter to approximately 65mm (2"). An excellent demonstration of absorption. Pack includes 5 stars of varying colors. Some bursting may occur during growth. This is normal.
NOTE: This is not a toy. Keep out of reach of children.
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Large Water Rose 75mm 5pc
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Oversized Rose-shaped version of our popular Water Marbles. Soak in water for 2-3 days for the full effect. Grows from 10mm diameter to approximately 75mm (2"). An excellent demonstration of absorption. Pack includes 5 stars of varying colors. Some bursting may occur during growth. This is normal.
NOTE: This is not a toy. Keep out of reach of children.
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Large Growing Water Cubes 20-30mm 10pc
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Oversized growing Water Cubes. Soak in water for 2-3 days for the full effect. Grows from 5-7mm diameter to approximately 20-30mm on a side. An excellent demonstration of absorption. Pack includes 10 marbles of mixed colors. Some bursting may occur during growth. This is normal.
NOTE: This is not a toy. Keep out of reach of children.
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Water Marbles Giant Flowers - 5pc
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Our popular Water Marbles now are in Giant Flower form! These flowers start of just barely a 1/2" long, but soak them in water for several hours and they grow to enormous size, almost 4" across! Note that fully grown flowers are very fragile!. A great demonstration of water absorption.
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Large Water Marbles 40mm 10pc
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Oversized version of Water Marbles. Soak in water for 2-3 days for the full effect. Grows from 7mm diameter to approximately 40mm (1.5r"). An excellent demonstration of absorption. Pack includes 10 marbles of mixed colors. Some bursting may occur during growth. This is normal.
NOTE: This is not a toy. Keep out of reach of children.
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Large Clear Water Marbles 50mm 10pc
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Oversized, clear version of Water Marbles. Soak in water for 2-3 days for the full effect. Grows from 7mm diameter to approximately 50mm (2"). Marbles completely disappear in water.. Some bursting may occur during growth. This is normal.
NOTE: This is not a toy. Keep out of reach of children.
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Nitinol Memory Wire 1 ft
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Bend it, then drop it into hot water and watch it return to its original shape!
0.5mm thickness.
Comes with a Teacher's Guide.
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- See more at: http://american-scientific.com/NITINOL_WIRE_SERIES?search=Nitinol&description=true#sthash.E87Ztb8Z.dpuf
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Cobalt Glass Plate 2" x 2"
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High-quality dark blue cobalt glass filter is used in sodium and potassium salt flame tests. When a flame is viewed through this filter, the color orange is blocked so that a violet-colored flame is visible. Price is per plate. Each plate measures 2" x 2"
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Magnesium Ribbon 25g
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Magnesium ribbon is an element and a metal. It is silver colored, very light and quite reactive. It will react steadily with diluted acids and release hydrogen gas, it will also ignite while heated in air, emitting a bright white glow. Magnesium ribbon can be ignited using a simple butane lighter or Bunsen burner. Once ignited, the ribbon will burn slowly but steadily down the length of the strand, leaving a flaky, white, Magnesium Oxide residue behind. 99% Magnesium, 1% Zinc & Lead. 3" x 3" x .125",
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