• High resolution, applicable in photoelectric experiment.
• Six connectors, for ease of use.

Dimensions:
Width 7 cm
Length 6 cm
Height 11 cm
Weight 0.2 kg

• Additively mixing the colors result in a white color.
• Operates on a single AA battery (included).
• Build-in battery holder.
• Creates true white color when spinning.

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

Dimensions:
Width 16 cm
Length 13.5 cm
Height 25 cm
Weight 0.55 kg

• Applicable in demonstrations of the photoelectric effect.
• Applicable in calculations of Planck’s constant.
• Five colored filters (included)

Dimensions:
Width 11.5 cm
Length 6.5 cm
Height 14 cm
Weight 0.3 kg