Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Model, Human Cell, 40,000 Times Life-Size, represents an undifferentiated human cell at an enlargement, It shows the structure of the smallest unit of any living creature capable of independent life, Dimensions: 60 x 46 x 46 cm, weight: 22.2 kg