Reveal the flow of convection currents in gases. The box has a glass front and two chimneys. Place a lighted candle under one chimney, then use the touch paper to introduce smoke over the other chimney to reveal the flow of convection. Includes instructions, smoke paper and candle.

• Includes instructions, smoke paper and candle
• Apparatus for gases
• Reveal the flow of convection currents in gases
• The box has a glass front and two chimneys

Spectification

Size: 212.5 x 81.25 x 87.5mm

Weight: 680.39g