Description: Geology & Biology Science Kit Collection includes - 7 mineral and rock samples Each sample is identified on the collection index sheet Samples measure approximately 3 - 4 cm in length Paleontological Specimens includes: Devonian Period - Heliophyllum, Cambrian period - Coronocephalus, Lower Jurassic - Colorful snail, Ordovician period - Echinoidea Sea urchin, Middle Jurassic - Ostracean, Upper Cretaceous - Sun shell, Late Jurassic epoch - Phylloceras ammonites Perfect for the young science enthusiasts and geological study Rock & Mineral Set with acrylic display cover and pine wooden box Specification: Single lattice ((L*W) approx 6.5*8.5cm/ 2.55*3.34 inch Wooden Box (L*W) approx 39*7.5/ 15.35*2.95 inch Package Includes: Box of 7pcs Rock & Mineral Collection