3-Piece Large Acrylic Block Set for Light Demonstrations (Rectangle, Equilateral, Right Isosceles) Physics_Alternative Energy SUPERIOR DURABILITY || Features uniform

SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts

Demonstrates Newton's first law by yanking a metal card from beneath a steel ball

the gentlest divergence in the 75mm convex line for the largest virtual reduced images

Mid-size 3 x 1

3-Piece Large Acrylic Block Set for Light Demonstrations (Rectangle, Equilateral, Right Isosceles) Physics_Alternative Energy SUPERIOR DURABILITY || Features uniformDesigned for class front light and prism demos, a 3 piece large acrylic block set ships a 7. 5x4. 3 inch rectangle, 7. 5 inch equilateral, and 7. 25x5. 1 inch right isosceles, all 23mm thick.