3D printers can do a lot more than just printing nice little giveaways such as keyring pendants or chess pieces. During a project at the Holbein-Gymnasium Augsburg in Bavaria, Germany, students developed a number of helpful tools for chemistry lessons and tested them in classes. Full details of these are now available for free to any teacher who…

Microscopes are especially useful for observing fine detail in biological specimens. However, there are many other small items that may be examined with microscopes, and it is important to introduce children to low-magnification images of items they can recognise before moving on to such large magnification that what they observe has no obvious…