Gunplas represent awesome life-like machines. Being mechanical beings, they must include the typical mechanisms, grills, plates etc. we identify with them.
Most kits don't include them out of the box, so being able to get hold of these elements is a great opportunity to enhance your models and make them stand out from others.
Pick the ones you would like to add and start building!
We have to prepare each shipment individually as they are ordered, so allow it in 3-4 weeks to arrive in the USA/Canada (to be safe) and 3-6 weeks rest of the world, though they are usually delivered much faster.