Galileo Thermometer Size:Mini (15 cm) Not harmful but can be

Not harmful but can be messy

Fire streams of bubbles from the transparent space gun and they light up in many colours as they exit

A point of difference from most LED-light torches is the easy hand grip

Presents special mixes and loops to create large and small

Some kiting experience needed - this kite has a big canvas area and other qualities that punish the novice but reward the skilful

Galileo Thermometer Size:Mini (15 cm) Not harmful but can beGalileo Thermometer, the kind invented by the man himself, and the first objective means of measuring temperature. It's a beautiful object as well. The floating, coloured balls in the special liquid (paraffin oil base) are calibrated to fall as the temperature rises the lowest floating ball shows the correct temperature (within 2 degrees C.). Best kept indoors out of continuous direct sunlight. Four sizes are available: 15cm tall (mini): 4 balls temp