This roll is 0

Neodym magnets | Very powerful magnets

så kan man lave forskellige eksperimenter med metalkuglerne sammen med en magnet

In that case the plastic caps protect the magnets from impact so they don't break as easily when clashing at high speed due to the high load capacity (strength)

as you can easily damage your glass board by carelessly handling this magnet

Stål snor med 10 gennemsigtige klemmer Auto-translated (SE) This roll is 0Steel photo wire with 10 transparent clips. Make a photo line or a hang up sweet notes for one you love. The notes or photos can be attached to the wire with the small clips in the set. The wire is made for horisontal hanging with a loop in each end. Hang it on screws or with magnetic hooks (not included in this set). The length of the wire is 1 metre. So there is room enough for quite a few photos, christmas cards, notes, drawings etc. The clippers