Teaching demonstration. Observation and explanation. Interns deepen their cognitions. Doctors and patients communicate. Doctors' office and exhibition decoration. Intuitive teaching aids. Bio Model,Biology Model,Cell Division Model,Biology Science Model Xinxiang Vic Science&Education Co.,Ltd. , https://www.huaxinbusbarchina.com
Waste material production children's paradise Handmade materials: egg box , straw , rope, bottle cap , paper tube , glue, waste paperboard, paint, wire, ice cream stick, etc. 
Swing: straw, wire, rope, egg box 
Slide: roll paper, ice cream stick, toothpick or matchstick 
Turntable: paper cup bottom, egg box, straw, bamboo stick 
Seesaw: egg box, paper tube, waste cardboard, bamboo stick