You can do optical experiments by this set of Optical equipment and you can adjust different with your .

Feautres:
You can use this to do optical experiments, to explore the refraction of .
To help become interested in physics.
Promote the relationship between parents and .
Smooth surface, fine workmanship, , will not hurt hands.
It's stored in a protected box. No damage to equipment.

Specifications:
Material: acrylic
: 2 * AAA
Water channel: 48 * 30mm / 1.8 * 1.2in
Spherical lens: 14 * 6mm / 1.9 * 0.2in
Convex lens: 48 * 10mm / 1.8 * 0.4in
Concave lens: 18 * 10mm / 0.7 * 0.4in
Glass brick: 40 * 12mm / 1.6 * 0.5in
48 * 20 * 10mm / 1.8 * 0.8 * 0.4in
Glass plate: 48 * 30 * 2mm / 1.8 * 1.2 * 0.08in
Chess: 23mm / 0.9in
Biconvex lens: 72 * 35mm / 2.8 * 1.4in
Prism: 40 * 35mm / 1.6 * 1.4in
-beam generator: 100 * 60mm / 3.9 * 2.4in
Package size: 235 * 160 * 50mm / 9.3 * 6.3 * 2.0in
Package weight: 435g / 1.0lb

Packing List:
1 * -Beam Generator
2 * Glass Brick
3 * Mirror
1 * Biconvex Lens
1 * Water Channel
1 * Prism
2 * Chess
1 * Spherical Lens
1 * Convex Lens
1 * Concave Lens
2 *