This interactive kit includes one genuine lodestone (magnetized natural magnetite) plus a bar magnet, a piece of string, a paperclip, and suggestions for fun activities.
The lodestone comes from Iron Mountain, Utah.
Bar magnet about 4.7 x 2.1 x 1.0 cm (2" x 0.8" x 0.4"). Lodestone about 60 x 40 x 30mm (2.4" x 1.6" x 1.2").