Stemwurks

Description: Magcraft NSN0582 Rare-Earth Disc Magnets, 0.75 in. Diameter x 0.25 in. Thick, 4-Count These disc magnets are 0.75 inch (19.1mm) diameter and 0.25 inch (6.4mm) thick. They are magnetized through the thickness. They are composed of grade 40...

Description: Magcraft NSN0586 Rare-Earth Ring Magnets, 0.5 in. Outside Diameter x 0.15 in. Inside Diameter x 0.125 in. Thick, S, 12-Count These countersunk ring magnets are 0.500 inch (12.7mm) outside diameter, 0.150 inch (3.8mm) inside diameter and 0...

Description: Magcraft NSN0601 Rare-Earth Disc Magnets, 0.25 in. Diameter x 0.1 in. Thick, 50-Count These disc magnets are 0.250 inch (6.4mm) diameter and 0.100 inch (2.5mm) thick. They are magnetized through the thickness. They are composed of grade 40...

Description: Magcraft NSN0610 Rare-Earth Block Magnets, 0.25 in. Long x 0.25 in. Wide x 0.1 in. Thick, 50-Count These block magnets are 0.25 inch (6.4mm) long, 0.25 inch (6.4mm) wide, and 0.1 inch (2.5mm) thick. They are composed of grade 40 neodymium...

Description: Magcraft NSN0732 Rare-Earth Disc Magnets, 0.375 in. Diameter x 0.0625 in. Thick, 40-Count These disc magnets are 0.375 inch (9.5mm) diameter and 0.063 inch (1.6mm) thick. They are magnetized through the thickness. They are composed of grade...

Description: Nanoblock NB-021 Real Hobby Series Titanic The luxury liner Titanic is now available on a single Nanoblock, reproduced with drift ice. For contruction set fans everywhere, this World Famous Nanoblock Advanced Hobby Series is perfect for you!...

Description: Nanoblock NBM-031 Dinosaur DX Tyrannosaurus Rex This Tyrannosaurus from Nanoblock's Animal Deluxe Edition series stands approximately 4.33 inches tall and has 850 pieces. This model is intended for ages 15+ and based on a scale of 1 to 5 (5...

Description: NSI International 22242 Smithsonian 40mm Refractor Telescope Get your gazing on with this sleek Smithsonian 40mm Refractor Telescope Kit with tripod! This beginner telescope is great for star tracking as well as viewing wildlife,...

Description: NSI International 22249 Smithsonian Microscope Kit The Smithsonian Microscope Kit lets you view leaves, pollen, insect parts, and fibers at up to 900 times their size! This kit includes everything you need to study organisms around you - 3...

Description: NSI International 49009 Smithsonian Mega Science Lab The Smithsonian Mega Science Lab has six STEM kits in one! Observe the process of crystal formation, assemble and paint a model of the earth and moon, and erupt your very own volcano...

Description: NSI International 49010 Smithsonian Electronic Crystal Growing Kit The Smithsonian Electronic Crystal Growing Kit gives kids all the tools they need to grow frosty diamond-shaped crystals using potassium sulfate and spiky crystals with...