Ningbo ZTL Educational Equipment Co., Ltd. Junior high school mathematics teaching instrument Manufacturers Needle experimenter: PRODUCT DETAILS: Product Number 20013 Product Name Needle experimenter Subject Category Junior high school mathematics Package Size 23.5*17. 5*2.5cm Weight/PC 170g 1 Box/Piece 60 Carton Size 49*39*37cm 1 Box/Weight 11kg Junior high school physics teaching instrument Manufacturers Stroboscope: PRODUCT DETAILS: Product Number 80159 Product Name Stroboscope Subject Category Junior high school physics Package Size 16*14*8cm Weight/PC 250g 1 Box/Piece Carton Size 1Box/Weight Junior high school chemistry teaching instrument Manufacturers Magnetic teaching aids for chemical experiment device PRODUCT DETAILS: Product Number 26015 Product Name Magnetic teaching aids for chemical experiment device Subject Category Junior high school chemistry Package Size 12. 5*10*6cm Weight/PC 520g 1 Box/Piece 30 Carton Size 32*27*32cm 1 Box/Weight 16kg Junior high school biology teaching instrument Manufacturers Plant photosynthesis, respiration, transpiration demonstrator PRODUCT DETAILS: Product Number 27008 Product Name Plant photosynthesis, respiration, transpiration demonstrator Subject Category Junior high school biology Package Size 16. 5*16. 5*27cm Weight/PC 960g 1 Box/Piece 12 Carton Size 52*36*56cm 1 Box/Weight 12. 5kg