I need some help ladies and gents. Just finished my first techinc build...awesome time! But i had these parts leftover, am i good, these are "spares". Or i messed something up. :
LEGO Medium Stone Gray Axle 3 (4519) | Brick Owl - LEGO Marketplace
10 x Lego Grey CROSS AXLE 3M - 4211815 (Parts & Pieces) | eBay
Flix-Brix.de - LEGO® Ersatzteile, Einzelsteine, Minifiguren und Sets (FlixBrix)
10 x NEW LEGO TECHNIC AXLE 3 PART No : 4211815 LIGHT GREY | eBay
LEGO Medium Stone Gray Axle 3 (4519) | Brick Owl - LEGO Marketplace