Learning Resources Now You See It, Now You Don’t See-Through Compost Container.A perfect way to introduce children to the entire decomposition process.This see-through compost container features three separate compartments that enables young scientists a clear view and the opportunity to make side by side comparisons between different materials.Sturdy plastic container features three separate compartments, three thermometers, aeration holes, magnification spots and an activity guide.Suitable for ages 4+