Features: brand new and high quality A collection of stones and minerals in a mahogany for case, The stones are natural, not polymer clay, not fixed to the base, so you can replace or add your own (all stones are different, the suitcase is not completely filled). The ultimate rock collection with a kids rock collection box and surprise your geologist with a set of rocks that will inspire your child's curiosity and love of science and geology. Show off your favorite rock, crystal in the included for case! Keep the rest of your treasures safe in the included storage bag. Your item may vary slightly from the picture shown. Pictures of each stone are taken in natural lighting. Please note that the stone may appear slightly different when viewed in different lighting. Specifications: Color:Wood Material: Wood + Stone Size:Approx.10x7x3cm/3.93x2.75x1.18in Quantity:1pc Package Includes: 1x Collection Box note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.