Assorted Large Drilled Ball Set, set of 12, A 3mm hole is drilled through the center of each ball. Every set comes in a convenient plastic storage case, with a foam bottom that holds each ball firmly in place
Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Test for genetic disorders, that Cause Brain Damage, unassembled kit, supplies for 10 students or groups, Kits can be used in classrooms or nonCEschool settings.They do not require microscopes or expensive equipment
Testing for genetic disorders, single kit for one student or group, Kits can be used in classrooms or nonâschool settings.They do not require microscopes or expensive equipment