Science Toys Lab Adventure Kit This version operates inversely -

This version operates inversely - you read the LOWESTpoint of the spirit for current temperature and lowest point of the contrast liquid for recent max/min (see photo)

ie over 2 meters high/wide/long

or the inquiring

to fit the standard barograph

Concentrate a ray of sunlight light on it and see the prism split the light into component colours of the spectrum

Science Toys Lab Adventure Kit This version operates inversely -7 classic science toys gathered togethrer in one set. Great for 6+ year olds at play learning. Lemon clock, erupting volcano, diving sub, balloon car, mini rocket, tornado tube, . Involves lots of physics air pressure, electricity, chemistry