Suitable for ages 12 Are you an aspiring astronomer or an astronomy enthusiast looking for the perfect telescope? You've found your match! The AmScope Refractor ALT-AZ telescopes simplify terrestrial observing and sky-gazing by allowing you to move the telescope up and down and ...Suitable for ages 12 Are you an aspiring astronomer or an astronomy enthusiast looking for the perfect telescope? You've found your match! The AmScope Refractor ALT-AZ telescopes simplify terrestrial observing and sky-gazing by allowing you to move the telescope up and down and left to right using altitude azimuth mounts. The telescopes also include a handy red dot finder as well as three eyepieces for varying magnification levels, a 2X Barlow lens and so much more. Enjoy the perfect combination of value, features, and quality all in one! AmScope's Refractor ALT-AZ Telescopes are in apertures of 90mm and 102mm.