Magnetizing Units
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Magnetization solves two chronic hobby problems with one technique: models locked into a single weapon option forever, and models snapping apart in transit. Tiny neodymium magnets embedded at joints let arms, weapons, turrets, and wings click on and off at will, so one expensive kit plays as every configuration in its instructions, and a carried army rides in a case attached to steel sheet instead of rattling in foam. The skill threshold is low, the tools are cheap, and the payoff compounds across every kit you build afterward.
The shopping list is short. Neodymium disc magnets in two or three sizes cover nearly everything: around 2 millimeters diameter for infantry arms and weapons, 3 millimeters for larger joints and small turrets, 5 millimeters and up for vehicle weapons and flight stands. Match them with a pin vice and drill bits at the same diameters, superglue, and a marker for polarity. Buy magnets in bulk packs of a hundred; per-unit cost collapses, and you will use more than you expect once the habit forms.
Polarity discipline is the single rule that prevents heartbreak. Every magnet has two faces, and if you glue them inconsistently, some weapons will repel the sockets meant to hold them. Adopt a convention across your entire collection, for example: all magnets in bodies show the same face outward, all magnets in accessories show the opposite face. Keep a marked test magnet on your desk and check every single magnet against it before gluing. Thirty seconds of checking beats discovering a repelling arm after the glue cures.
The installation routine is the same at every scale. Mark the center of the joint, drill a recess matching the magnet's diameter and just deep enough that the magnet sits flush or a hair below the surface, add a small drop of superglue, and press the magnet in with a steel tool or another magnet through a barrier. Flush seating matters: proud magnets leave visible gaps at the joint, while deep ones weaken the hold. For heavy parts, pair magnet size to weight generously or add a second magnet, because a turret that droops mid-game annoys forever.
Plan before assembly rather than after. Magnetizing a built, painted model means surgery; magnetizing during construction means five extra minutes per joint. Study the kit's options first: often one shoulder magnet serves six different weapon arms, or one turret ring magnet unlocks every variant in the box. Dry-fit with magnets taped in place to confirm alignment before gluing. On hollow plastic joints, a plug of greenstuff or sprue behind the hole gives the magnet a solid bed. Small alignment errors can be hidden by angling the recess slightly, since the magnet's pull forgives a degree or two.
Be selective, because not everything repays the effort. Multi-option vehicle weapons, expensive centerpiece models with alternate builds, and armies that travel frequently are prime candidates. A unit of identical rank-and-file troops with no options gains nothing. The transport benefit alone converts many skeptics: magnets in the base plus a toolbox lined with steel sheet produces the cheapest, densest, safest army transport available. Start with one kit, follow the polarity rule religiously, and magnetization quickly becomes a default step rather than a project.