Caution: laws of physics may apply.

A couple of Cambridge things first:

* Volunteer for Cambridge - a fair full of organisations looking for volunteers. Saturday 11-4 at the Guild Hall. http://www.cambridgehub.org/volunteer-for-cambridge

* Repair Cafe - come and get broken stuff fixed and eat cake (or help fix stuff - but do email them beforehand if you want to repair things). I'm going to this, do come and say hi! Saturday 1:30-4:30 at St Andrew's Hall, Chesterton. http://www.transitioncambridge.org/thewiki/ttwiki/pmwiki.php?n=TTSkillshare.RepairCafeJan2016

And London:

* Croydon Fun Weekend - do some cool stuff in Croydon! All weekend, see the timetable. http://www.earth.li/~kake/croydon/croydon-fun-weekend-2016.html

And if you're elsewhere in the UK:

* The Big Garden Birdwatch - record birds in your garden for an hour for the RSPB's survey. https://ww2.rspb.org.uk/discoverandenjoynature/discoverandlearn/birdwatch/

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* eLuminate festival - light artworks around town. 12-17 Feb. http://www.e-luminatefestivals.co.uk/

* Twilight at the Museums - late opening with special events, family friendly. Wed 17 Feb. https://www.cam.ac.uk/museums-and-collections/events/twilight-at-the-museums

* Science Festival - you know what one of these is! Bookings open 8 Feb, festival runs 7-20 Mar. http://www.sciencefestival.cam.ac.uk/

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