Racing Rings consists of three rods one each of copper, aluminum and PVC, Ring magnet is dropped down the PVC rod, it falls unobstructed, Two metal rods create an induced magnetic field to that adds resistance to the rings travel, metals are different, they fall at different rates
Replacement/additional clay conditioning machine, For the KIMSeattle Forensic Facial Reconstruction Lab Kits, This authentic laboratory is intended to expose middle through high school age students to careers where art and science intersect
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
Rh-Antisera, 50 Students, Synonyms: Anti-Rh(D), Monoclonal Antibodies, Appearance: Liquid, Blue (Anti-A) or Yellow (Anti-B) or Clear (Anti-D), size: 5 ml
Rogue Rodent Mystery Student Book, For Grades K-1, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery, Accompany both the Classroom and Summer Camp
Rogue Rodent Mystery Student Book, Classroom, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery
Rogue Rodent Mystery Student Book, Summer Camp, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery
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