繁體中國磁性地圖拼圖 Magnetic China Map Puzzle,TC,A4

Based on classic map cartography (Robinson projection), this raised relief map of China has a place on the wall of every geography classroom. A superb rendering of the geological features of our country. Size：29.7*21cm Simplified Chinese

For measuring distances of roads, streams, etc. on maps with Four scales; 1:75k, 1:50k, 1:25k, 1:20k. The wheel features kilometre measurements on both sides. Use method: Move the pointer to zero, at the scale of 1:1. The small wheel alignment measuring address as a starting point, along rounting slip(rolling) to the end, according to the map of the ratio of the corresponding scale, is up point to the end of the number of kilometers.