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    Stem Compost monitoring Decomposition of products

    6630040070
    By request
    Period for delivery from 23 to 51 days
    Three separate compartments enable children to view the entire decomposition process clearly and make side-by-side comparisons between different materials. Includes plastic box with three compartments featuring aeration holes and magnification spots; three thermometers and Activity Guide.
    see product's description
    Three separate compartments enable children to view the entire decomposition process clearly and make side-by-side comparisons between different materials. Includes plastic box with three compartments featuring aeration holes and magnification spots; three thermometers and Activity Guide.
    Three separate compartments enable children to view the entire decomposition process clearly and make side-by-side comparisons between different materials. Includes plastic box with three compartments featuring aeration holes and magnification spots; three thermometers and Activity Guide.