London Design Festival 2011: Dezeen and east London venue Concrete have teamed up to host Change the Record, a live performance by designer Paul Cocksedge on Tuesday 20 September. More about Dezeen and Paul Cocksedge present Change the Record at Concrete
Designer Arik Levy presents a pebble-shaped device for opening water bottles at Maison&Objet in Paris this week. More about Water=Life by Arik Levy
Japanese designer Hiroyuki Miyake's calendar works like a retractable tape measure, with one centimetre for each day of the year. More about Measure calendar by Hiroyuki Miyake
Competition: we've teamed up with the makers of Sugru to give away ten packs of their plastic modelling clay for hacking products. More about Competition: ten packs of Sugru to be won
Berlin designer Ronen Kadushin has made a conceptual, open-source, contraceptive intrauterine device from a one-cent coin. More about Bearina by Ronen Kadushin
London Design Festival 2011: London designer Oscar Diaz has redesigned the pen pot so there's no need to tip pens all over the desk or jam your fingers down the side to retrieve a paper clip or pencil sharpener that's slipped to the bottom. More about Pen Pal by Oscar Diaz for Doiy
Competition: we've teamed up with new Swedish bicycle accessory brand Bookman to give away five sets of their bicycle lights. More about Competition: five sets of Bookman bicycle lights to be won
London designer Héctor Serrano presents a series of paper accessories for turning balloons into animal heads at the New York Gift Fair this week. More about Air Heads by Héctor Serrano
In this interview filmed at Dezeen Space, London designer Paul Cocksedge explains the ideas behind Change the Record, a project where vinyl records are moulded into amplifiers for smartphones. More about Change the Record by Paul Cocksedge
Can't get enough concrete? Here's a range of concrete stationery by London designer Magnus Pettersen. More about Solid desk accessories by Magnus Pettersen
Japanese designers Nendo have combined a USB stick with a giant paperclip. More about Data Clip by Nendo
New Designers 2011: Kingston University graduate Andre Pereira has created a series of products to help with tricky DIY tasks, including these paint brushes that clip onto the edge of a tin of paint. More about DIY Series by Andre Pereira
New Designers 2011: product design graduate Ben Fursdon has created the Broo-ver, a broom converted into a vacuum cleaner. More about Broo-ver by Ben Fursdon
Show RCA 2011: for those who'd rather be woken by a gentle breeze or the smell of coffee than a shrill alarm, Royal College of Art graduate Ki Hyun Kim has designed a clock that wakes users with the electrical appliance of their choice. More about Alternative Alarm Clock by Ki Hyun Kim
This coin-operated wedding machine by British designers Concept Shed dispenses a pair of plastic wedding rings and a personalised receipt to newlyweds. More about AutoWed Wedding Machine by Concept Shed
Designer Richard Clarkson has created a conceptual smartphone with a rotary dial. More about Rotary Mechanical Smartphone by Richard Clarkson
Coloured cables encircle the cases of these computer mice by Japanese designers Nendo. More about Rinkak by Nendo
Japanese designers Torafu Architects have designed a set of paper hooks that look like curled pieces of adhesive tape. More about Tapehook by Torafu Architects
Japanese designers Nendo have produced these transparent sets of earphones that look like jellyfish. More about Otokurage by Nendo
San Francisco designers fuseproject have designed packaging and a grating tool for hardened pure cacao, which is farmed among the natural ecosystem of the Costa Rican rainforest. More about Talamanca Cocoa by fuseproject