The kit includes 8 polished rock samples, such as turquoise, amethyst, rose quartz, lemon jade, and more PLUS a surprise rock that they will unearth in the dig kit. The field guide introduces easy-to-follow STEM content, including fun facts and jokes. Then go exploring to find rocks from home that you can decorate with the included paint and googly eyes. Small Parts – Not for children under 3 yrs.