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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
By 4M Green Science
encouraging them to explore the world
the kit can be geared to an individual or class learning environment
towering arches
Piece together the sturdy frame structures and then attach the flexible track to it to build and test endless roller coaster designs
MAGNET - RARE EARTH - SMALL (PACK OF 4) Crafting By 4M Green ScienceThese magnets feature rare earth compounds combined with ferrite (anisotropic) to produce incredibly strong attraction repulsion. They are encased in nickel jackets because the material itself is very brittle. They are provided with a nickel plated iron keeper. 10mm x 3mm. Specs: Maximum Operating Temp: <80 deg C Remanence: 1180 1220 Br (mT) 11800 12200 Br (Ga) Coercitivity: 860 915 kA m 10800 11500 Oe Intrinsic Coercitivity: >955 kA m >12000 Oe
US$ 32.95
US$ 32.95
US$ 109.95
US$ 64.95
US$ 34.95
