Many common magic tricks are easy to learn and only require common items such as matchboxes, cloths and coins to perform successfully. The most common tricks are playing card and coin tricks which are both a good way to practice technical and audience distraction skills.
Card tricks are one of the oldest forms of conjuring and perhaps the best introduction to learning magic tricks and performance for beginners. Whilst you can buy special card kits and find free magic tricks online, you should start out with a normal deck of playing cards and learn specific card magic techniques that don't rely on props.
Start small and practice, practice, practice