KS90 Stirling Engine Blue - Kit Colour:Blue and listen to your gurgling

and listen to your gurgling tummy to learn how your stomach works

curriculum links to key learning areas

and the bottle is increasingly harder to win/purchase

Ugears engineers implemented another interesting feature: the unsynchronized clock hands sitting on the same axle

Wood Pieces: 349

KS90 Stirling Engine Blue - Kit Colour:Blue and listen to your gurglingKONTAX KS90 BLUE STIRLING ENGINE Plates made from anodised blue aluminium Ultra Low temperature difference Stirling Engine Can run from the heat of your hand Runs on heat sources such as set top box, cup of coffee Will even run on ice Runs on surprisingly little temperature difference LOW FRICTION BALANCED MICRON PRECISION EXTREMELY LOW FRICTION GRAPHITE PISTON INGENIOUS SELF LUBRICATING PISTON PROVEN GLASS GRAPHITE COMBINATION PRECISION CLEAR