9 science project supplied as a kit consisting of instructions and a block of wood or equivalent which when left in place on dampened ground such as a yard or lawn for some time period serves to attract worms, bugs etc. underneath same to indicate to the user the environmental health of the ground being tested; the presence of excessive pestcides or fertilizers at the test location, as well as very poor soil conditions, would be indicated by the presence of few if any lifeforms; yards environmentally alive
Trademark: 75349726
