Simple Machines free-building ground loosening is also possible

ground loosening is also possible with the multi-tooth scarifier

Learn how roots work to transport water and nutrients throughout a plant

and instruction guide

Compatible with figure

From Fat Brain Toys

Simple Machines free-building ground loosening is also possibleJumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 26 model building exercises, you'll investigate all six classic simple machines wheels and axles, levers, pulleys, inclined planes, screws, and wedges as well as gears. Start off with simple models to guarantee a firm understanding of the basic principles at play, and then move onto larger, more complex