Spectroscope Diffraction (Each) 80%-Recycled Children use the permanently attached

Children use the permanently attached magnetic pen to guide the ball along the lines and curves of each letter and develop early printing skills as they go

Includes 8 packs of kid-safe Playfoam Sand

Charging for 6 hours gives 10 hours of light

Features AiX sound technology

Made from high-quality FSC Pressure Treated Redwood Timber

Spectroscope Diffraction (Each) 80%-Recycled Children use the permanently attachedDiffraction Grating Spectroscope A pocket size diffraction grating spectroscope for viewing the spectral composition of various light sources. The large eyepiece aperture facilitates the easy viewing of a single, large and bright spectrum which is centrally placed in the field of view. Uses include: Fraunhaffer lines . Flame test in chemicals analysis . Absorption spectra through liquids . Bright line spectra from discharge tubes Overall dimensions: