Pick your favourite team sport or activity, get a bunch of mates and get sponsored to play for a really, really long time.
Set up a static bike or head to your nearest gym and get sponsored to ride for hours and hours. Could you even keep it up for 24 hours?
Hold a danceathon with friends or workmates and get sponsored to bust out your best moves for as long as you can.
Laura and her family were proper fundraising superheroes for Sport Relief 2016, completing the Mile in fancy dress to raise an impressive £90.
In the UK, £90 could enable three isolated mums who are experiencing postnatal depression to attend a group therapy session to discuss their feelings, develop coping strategies and start to recover.