• Fit the convex lens onto the telescope, and it's just like the one invented by German astronomer Johannes Kepler! • Fit the convex and concave lenses onto the telescope, and it's just like the one invented by Italian scientist Galileo Galilei! • Assembling the lenses will teach you about how light travels. Experiment with making a telescope and a microscope using convex and concave lenses. • Science guide included (68 colour pages)

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222mm (L) x 55mm (W) x 285mm (H)