Thames and Kosmos Botany Experimental GreenhouseBudding botanists will love getting their hands dirty in this unique biological science experiment kit. Learn about plants and seeds by conducting experiments in a specially designed botanical laboratory with greenhouse domes, complete with thermometer and ventilation. Construct an automatic watering system to keep your plants from getting too thirsty. Grow beans, cress, and zinnia flowers in your greenhouses. Experiment with plant cells and capillary