Meco Diy Periscope Model Detachable Optical Reflection Science Teaching Physics Experiment Instrument

Specification: Color: Blue&Yellow / Blue&White (Currently, we may send the color randomly, hope you don't mind it before order.) Learning Point: Reflection principle of light Rectilinear propagation of light Features: - Physical optical reflection teaching tools. - 360 Rotatable lens, quick detachable, simple structure. - Color appearance, fancy toy for your children. - Train your children observation capability, thinking and analytical skills. Package Included: 1 x DIY Periscope Model More Details: