Rocks, Gems & Geodes Ages 4 & Up Mason teaches tennis at the

Mason teaches tennis at the Cloverleaf Corners Youth Center

you’ll investigate all six classic simple machines — wheels and axles

and now even more versatility with our exclusive

From the nursery shelf to the playroom floor

including a biographical timeline with historical photos and a detailed profile of the artist's life

Rocks, Gems & Geodes Ages 4 & Up Mason teaches tennis at theKids will dig the world of earth science and geology! Kick start your very own rock collection with the 36 stones, then use the included crystal powder and mold to grow your own geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. The fun doesn't stop there You'll even learn how to make your very own rock tumbler. Use the fact filled book to keep exploring the world around