Soil Test Kit N879282 tough and durable casing and

tough and durable casing and fast warm-up time

with height adjustable legs make them the perfect choice for your classroom

Well-built metal mop frame with plastic middle clasp to work with different mop handles and heads

multi-sensory and engagingFollows a developmental progressionWorks with the Smart Tray (sold separately)25 x activity cards

silk and paper

Soil Test Kit N879282 tough and durable casing andHI 3895 combination test kit for agriculture allows you to test not only for pH, but for nitrogen, phosphorus and potassium which are all important for the quality of soil. In agricultural applications, monitoring the quality of the soil is extremely important for the health and growth of crops. The pH level is an excellent guide as to which plants may thrive in a particular terrain, as well as indicating which conditioners and fertilisers to use.