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US stock · technic parts and 1:87 rail

Bench › Bulk Parts Packs › 413-Piece EV3 Replacement Parts Group

413-Piece EV3 Replacement Parts Group
  • 413-Piece EV3 Replacement Parts Group — view 2
  • 413-Piece EV3 Replacement Parts Group — view 3
  • 413-Piece EV3 Replacement Parts Group — view 4
  • 413-Piece EV3 Replacement Parts Group — view 5

413-Piece EV3 Replacement Parts Group

Bulk Parts Packs drawer

4.7 out of 5 · 449 ratings on the product listing

$29.99

Four hundred and thirteen pieces of everyday technic stock — the most reached for restock pack on this bench.

Stock and the price you pay are shown on the product listing.

On the bench

This pack has the longest review history of anything we carry, and the reason is dull in the best way: it contains the parts people actually lose. Pins, axles, bushes, connectors and small beams in a mix that matches how they get consumed rather than how they look in a photograph. When a set stops building because three pieces went missing, the odds are good that all three are in here.

How it behaves in a build

It doubles as a sensible entry point. Four hundred pieces is enough for a real project, the assortment is broad rather than specialised, and the cost of finding out whether you enjoy mechanical building is low. Teachers buy it to keep robotics kits running; parents buy it to rescue a set; builders buy it because the drawer is empty again. The fit is the usual middle ground, neither loose nor tight, which is what makes repeated assembly pleasant. Random colours.

Fit and compatibility

Compatible with technic parts and usable as substitute pieces in EV3, WeDo and Mindstorms builds.

More from the Bulk Parts Packs drawer

More ASTEM technic parts: gears, axles and compatible building block sets

There is more on this bench than one drawer: the ASTEM collection runs from loose cogs to a finished layout. Across the technic shelves the geometry is constant — one technic gear module, one axle cross, one pin diameter — which is what makes a mixed building set LEGO® compatible in practice. Builders are blunt about what binds and what slips, and that customer experience is the only review that moves a production run.