science models & kits
hubbard scientific 3070 4 screen sieves kit set of 4
four screen mesh sizes 5 10 60 230 will let students separate and grade soil and rock samples in order to determine the make up of soil strata kit includes bottom pan and lid with teacher s guide and sieves american educational products have a lead ship time of 21 days sku amed644
hubbard scientific
four screen mesh sizes 5 10 60 230 will let students separate and grade soil and rock samples in order to determine the make up of soil strata .
category science toys country of origin  components usa and or imported