Question: Nick Jr. is a 24-hour children's channel in Australia designed for whom?
Context: Nick Jr. (Netherlands & Flanders) is a pre-schoolers children's channel and is part of the Dutch Nickelodeon network.  After the transition of Kindernet to Nickelodeon in 2003, Nick Jr. became a program block on Nickelodeon in the morning.  Nick Jr. was to launch as a separate channel on January 1, 2005, but due to some capacity problems, it eventually launched a few months later on May 1. Nick & You is a 3-hour children's block that airs on the Vietnamese TV channel, You TV (Hanoicab 2).  The block first launched in September 15, 2016.  The channel features TV shows from the children's TV channel, Nickelodeon, and all of its programs are dubbed into Vietnamese. Dora the Explorer is an American educational animated TV series created by Chris Gifford, Valerie Walsh, and Eric Weiner.  "Dora the Explorer" became a regular series in 2000.  The show is carried on the Nickelodeon cable television network, including the associated Nick Jr. channel.  It aired on CBS until September 2006.  A Spanish-dubbed version first aired as part of a "Nick en español" block on NBC Universal-owned Telemundo through September 2006; since April 2008, this version of the program has been carried on Univision as part of the "Planeta U" block.  The series is co-produced by Nickelodeon Productions and Nickelodeon Animation Studio.  "Dora the Explorer" is one of the longest-running shows of Nick Jr.  During the sixth season, the show became the Nick Jr. series with the most episodes, surpassing "Blue's Clues" with 143 episodes, having 144 after it had completed broadcasting on television.  It won a Peabody Award in 2003 "for outstanding efforts in making learning a pleasurable experience for pre-schoolers."  It ended on June 5, 2014 after 8 seasons and 172 episodes. What's Your News?  is a children's television programme on the Australian version of Nick Jr., Sprout and CBC Kids launched in January 2009.  It is billed as the first ever news show for and about 4-7 year old children and helps their transition from their home and family environment into the wider world around them. Nick Jr. is a 24-hour children's channel in Australia designed for pre-schoolers.  Nick Jr. was a morning programming block on Nickelodeon until 2004, when Foxtel launched it as a full 24-hour kids channel.  The channel is run by Foxtel Networks, under license from Viacom, and is also available on Optus Television and FetchTV. Nick Jr. is an American digital cable and satellite television channel that is run by the Nickelodeon Group, a unit of the Viacom Media Networks division of Viacom, the channel's ultimate owner headquartered in New York City.  The channel, which is aimed at kids under six years, features a mix of originally-produced programming, and series previously and concurrently aired on the "Nick: The Smart Place to Play" block, and its previous iterations, Nick Jr. also features the shows for preschoolers like "Team Umizoomi," "PAW Patrol," "Bubble Guppies," "Blaze and the Monster Machines," "Shimmer and Shine," and "" on Nickelodeon.  Due to the Nickelodeon block, Nick Jr. is sometimes disclaimed on air as "the Nick Jr. channel" to avert confusion, especially times of day where both Nickelodeon and Nick Jr. are both carrying preschool programming. Puffin Rock is an Irish children's television series that originally aired on RTÉjr in Ireland, Nick Jr., Nick Jr.  Too and Milkshake!  in the United Kingdom, Nick Jr. in Italy, ABC Kids in Australia, and Netflix in Ireland, the United States, Canada, Latin America, the Benelux countries, UK, France, and Germany.  The program is narrated by Chris O'Dowd.  The series premiered on 12 January 2015. Nick Jr.  Too (formerly Nick Jr. 2) is the British second channel of Nick Jr. available in the United Kingdom and in the Republic of Ireland, generally presenting popular Nick Jr. programming at other times of the day.  It launched 24 April 2006, the same day as rival channel Cartoon Network Too.  Nick Jr.  Too carries a schedule separate from the main Nick Jr. channel.  The channel was renamed to Nick Jr.  Too in November 2014. Nick Jr. is a programming block on the Nickelodeon television channel, seen on Nickelodeon weekday mornings.  It is aimed at young children aged under 7 years.  On February 2, 2009, the Nick Jr. block was temporarily renamed "Play Date" and on September 28, 2009, Noggin was rebranded as the Nick Jr. channel.  In 2014, the Nick Jr. name began to be used for both the block and network.  It is owned by MTV Networks, a division of Viacom International. Zappelin is a Dutch television program block for children that together with Zapp broadcasts on NPO 3 during daytime.  Before Zappelin, the programmes were scheduled on all three public channels.  On 3 September 2005, Zappelin became a channel for children aged 2-6 years.  It is also part of the 24-hour children's channel NPO Zapp Xtra.
Answer: pre-schoolers