the young scientists club wh 925 1104 young scientist series set 4 bacteria and fungi weight and volume acids and
set 4 bacteria and fungi kit 10 weight and volume kit 11 acids and bases kit 12 grow measure and mix young scientists of all ages will be fascinated by growing bacteria and fungi of all colors in petri dishes discover how antibiotics can cure disease young scientists make and calibrate a scale learn about density and test all kinds of substances with ph and litmus paper finish this set with some real copper plating for children ages 5 12 winner dr toy best 100 products the national parenting center seal of approval learning research institute outstanding resource award national parenting publications honors award learning magazine 2004 teachers choice award practical homeschooling reader award sku tysc009