• LASER emitter and lenses and prisms magnetically attached to base. 
• Light beams also visible inside optical instruments.
• Demonstration and measurement of reflection, refraction, and total internal reflection.
• Laser line (included).
• Battery holder and batteries (included).

Made from special durable Poletylan material- 3 layers- yellow, black, yellow

Dimensions:
Width 21 cm
Length 37 cm
Height 3 cm
Weight 1.9 kg

• Demonstration of total internal reflection.
• Emitted signal travels along a nonlinear path without losing information.
• High quality internal reflection.
• LED torch (included).
• Stand for torch included.
• Six different color filters on the wheels.

Made from special durable Poletylan material- 3 layers- yellow, black, yellow

Dimensions:
Stand for torch:
Width 14 cm
Length 12 cm
Height 6.5 cm
Weight 0.3 kg

Optic fiber:
Width 16 cm
Lends 21.5 cm
Height 17.5 cm
Weight 0.85 kg

• Applicable in dispersion demonstrations.
• Differentiates monochromatic wave lengths from a single light source. 
• Can be disassembled and folded into a compact configuration (no tools required).
• Monochromatic wave lengths slide (included).
• Foldable legs to provide two levels of high to the spectrometer.

Made from special durable Poletylan material- 3 layers- yellow, black, yellow

Dimensions:
Width 60 cm
Length 64 cm
Height 13 cm
Weight 2.1 kg