"WardsSci000474"

Conifers come in all shapes and sizes — and so do their cones.
Includes: 6 pine cones, 6 spruce cones and 6 cedar cones.
*Pine cone factoid: Pine cones can forecast the weather! In dry weather, the scales dry up and open out. If they start to close up, wet weather is coming!

An excellent aquarium oxygenator, Elodea canadensis is great for teaching photosynthesis and plasmolysis.

It's easy to grow plants