- Brain Play
● 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).
Suitable for ages 8+