Schools visits

• 
  The pride of Meissner
• 
  A happy band
• 
  Alex and his sausage
• 
  An enthused Barry
• 
  Barry amusing a child
• 
  Barry and Sasha on the syphon
• 
  Dave and his bucket of wonders
• 
  Giles makes a mess
• 
  Sergey and a glass cryostat
• 
  A dream in helium
• 
  The fascination of the floor