Garage Physics Magic Square Puzzle Kit Lab Supplies_Petri Dishes this 20-piece metallic ore specimen

this 20-piece metallic ore specimen set demonstrates the raw sources of industrial metals for classroom identification

with numbered and lettered positions and a stacking design that locks against lateral movement

the wedge geometry producing minimal beam deviation for demonstrating small-apex thin-prism behavior

conductor length

supporting inclusive anatomy teaching in biology classrooms

Garage Physics Magic Square Puzzle Kit Lab Supplies_Petri Dishes this 20-piece metallic ore specimenMagic Square puzzle kit with wooden blocks that arrange into 3x3 grids where every row, column, and diagonal sums to the same value, illustrating arithmetic sequences and number theory.