5X life size. The model shows the eyeball with optic nerves and muscles in ita natural position in the bony orbit. The removable parts are: - rectus lateralis muscle - levator palpebrae superioris muscle together with the lacrimal gland - eyeball with extrinsic eye muscles - base of bony orbit. Mounted on base with stand. Size: 16 x 17 x 26cm Weight: approx. 1.1kg