Office toys

spinning toy

device that demonstrates conservation of momentum and energy via a series of swinging spheres

squeezable toy meant to relieve stress

toy heat engine

device which has a function but no direct purpose

right|thumb|Brass superegg by Piet Hein (Denmark)|Piet Hein. thumb|Piet Hein Superegg

thumb|right|An icosahedron constructed with Geomag rods and spheres Geomag, stylized as GEOMAG, is a magnetic construction toy consisting of a collection of bars, each set with a neodymium alloy magnet at both ends, connected by a magnetic plug coated with polypropylene, and nickel-coated metal spheres. These elements interlock using magnetism, allowing for them to be assembled in various ways.

sand coated with a hydrophobic compound

artistic novelty toy

novelty item typically placed on the desk of an office employee