Floating Ring Magnet Set with Wooden Base Pack Size_4 eliminating cord-threading during setup in

eliminating cord-threading during setup in compound-pulley experiments

showing the hexagonal bonding within each layer and the weak bonding between layers

and horseshoe magnet that swap by hand

Cork-lined jaws on this two-prong universal clamp grip glassware without scratching

this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching

Floating Ring Magnet Set with Wooden Base Pack Size_4 eliminating cord-threading during setup inFive 32mm ceramic ring magnets stack on a 150mm wooden dowel rising from a 5. 9 x 4 x 4 inch base, levitating above one another when oriented with like poles facing.