Dancing Bear Rock & Mineral Collection Activity Kit (200+Pcs) with Geodes, Shark Teeth Fossils, Arrowheads, Crystals, Gemstones for Kids, Rock Book, Treasure Hunt ID Sheet, STEM Education, Made in USA. 4.7 out of 5 stars 6,006. $24.95 $ 24. 95. Get it as soon as Mon, Aug 2. FREE Shipping on orders over $25 shipped by Amazon. Ages: 3 years and up.