Blackboard Lehre

Species with flat, concave, board up and down, dual on-board moving under the cross, the center projection screen multi-function four-way lift up and down sliding board, green board with white modular frame, magnetic curriculum, teaching chess magnetic chess, high-end development board, high-capacity professional teaching whiteboard pen, high-capacity special} {dark green metal water-based chalk board, a variety of color magnet. magnetic nails, all kinds of adjustable magnetic curriculum fast, clean eraser, etc.