Replacement Sand, set is a refill of the sand included with the Tectonics model. Set includes one pound each of beige, black, blue, orange and yellow sand
Fraction Resouce Kit, Includes: fraction circle set, fraction square set, overhead fraction circle set, fraction bar set with work book and guide, fraction chart, a Focus on Fraction book and a Fraction Circles activity book
Classification, ECC (Early Childhood Curriculum) module is designed to help lay a foundation for the beginnings of concrete operations. This kit helps students focus on identifying properties of objects and matching objects. Teacher's guide included
Seriation, ECC (Early Childhood Curriculum) module is designed to find the seriation of length, two sets of objects, color, multiple seriation, and transitivity, Language models that can be introduced are interrogative expressions of coordinations, expression of conditional
Porosity and Permeability Lab Activity, Sources of Fresh Water Are Usually Associated with Visible Bodies of Water Such As Lakes, Rivers, Ponds, and Streams, the Majority of Fresh Water on Earth is Actually Unde
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