Element Groups Periodic Table Patterns Kit for 8 Student Groups Lab Supplies_Rubber Tubing from incisors through molars with from incisors through molars with root structures visible CCross Cutting Concepts and properties through hands on investigations with up to 60 students and comprehensive teacher materials Periodic table patterns kit explores element groups
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Element Groups Periodic Table Patterns Kit for 8 Student Groups Lab Supplies_Rubber Tubing from incisors through molars with