磁性中國政區地形拼圖Magnetic China Map Puzzle,SC,42*29cm

Size：22*16cm, each square 0.5*0.5cm For measuring area on map.

Size: 15.2 x 7.6 x 1.3 cm ; 68 g Create the illusion of 3D when viewing stereo pictures or aerial photos Magnification is 2.2x and focal length is 4.7cm Interpupillary distance is adjustable to suit different users Lenses are made of clear, high-impact plastic Legs fold for storage