Seismograph Model creates a visual representation of the shock waves generated by an earthquake, Use to teach both mathematical and geological concepts by manually pulling the paper strip and recording simple movements made by jumping or moving, Pencil not included
Minerals Model Set, Build the most abundant silicate minerals including feldspar, quartz, olivine, pyroxenes, amphiboles, micas, clay minerals, Students Learn how models of silicate minerals are related to unit cell/crystal lattice structures, It has enough parts to construct