This itinerary balances free outdoor fun with engaging, budget-friendly ticketed attractions, perfect for families with children aged 3-12. It leverages Tokyo's excellent public transportation system to minimize travel costs and maximize exploration.

Enjoy a relaxing afternoon at Sumida Park Playground, featuring swings, slides, and climbing structures right along the Sumida River.
It’s a great spot for kids to burn off energy.
Suitable for children ages 3-12. Restrooms and open green spaces are available. Plan for 1.5-2 hours of play.
Easily accessible from Asakusa Station (various lines). A short walk from the station.
Explore Tokyo Dome City, a lively entertainment complex with various shops, restaurants, and free-to-enter amusement park areas.
While rides require tickets, families can enjoy the vibrant atmosphere, window shop, or find a budget-friendly dinner. There are also free play areas like Koraku Playground.
Free entry to the complex. Suitable for all ages. Numerous dining options, from casual cafes to family restaurants. Stroller-friendly paths. Plan for 1.5-2 hours.
Directly accessible from Suidobashi Station (JR Chuo Line, Toei Mita Line) or Korakuen Station (Tokyo Metro Marunouchi Line, Namboku Line). Parking available (paid).
Visit the vibrant Aoyama Farmers Market, held every Saturday and Sunday in front of the United Nations University.
Browse stalls offering fresh produce, artisanal foods, and prepared snacks from local vendors. It's a great spot to experience local culture and grab some unique treats.
Free entry. Suitable for all ages. Can get crowded. Many food trucks and stalls offer breakfast/lunch options. Stroller-friendly. Plan for 1-1.5 hours.
Approx. 5-minute walk from Omotesando Station (Exit B2). Public parking is available nearby (paid).
Embark on a marine adventure at Tokyo Sea Life Park.
This public aquarium showcases diverse marine life from around the world, including a large tuna tank, penguins, and various fish species. It's an engaging and educational experience for all ages.
Best for all ages, especially 3-12. Children under 12 enter free. Stroller-friendly with accessible pathways. Cafe and restrooms available. Plan for 2-3 hours.
Located within Kasai Rinkai Park. Accessible by JR Keiyo Line to Kasai Rinkai Koen Station. Paid parking available.
Take a leisurely walk along Odaiba Seaside Park, enjoying views of Tokyo Bay, the Rainbow Bridge, and the Statue of Liberty replica.
There's open space for kids to run and play. The area also has shopping malls for window browsing.
Free to explore. Suitable for all ages. Stroller-friendly. Restrooms and cafes/restaurants in nearby malls. Plan for 1.5-2 hours.
Accessible from Odaiba-kaihinkoen Station or Daiba Station on the Yurikamome Line. Paid parking available.
Immerse yourselves in the unique atmosphere of Akihabara, Tokyo's 'Electric Town' and hub for anime, manga, and video games.
Kids will enjoy browsing the colourful shops and arcade centres.
Free to browse. Best for kids aged 7-12 who have an interest in gaming or pop culture. Can be crowded. Many dinner options available. Plan for 1.5-2 hours.
Directly accessible by JR Chuo Line, Sobu Line, Keihin-Tohoku Line, and Tokyo Metro Hibiya Line to Akihabara Station.
Discover the tranquil beauty of Shinjuku Gyoen National Garden, a large park featuring Japanese Traditional, French Formal, and English Landscape gardens.
It also has a dedicated Children's Square playground, making it perfect for families. Children 15 and under enter for free.
Great for all ages. Stroller-friendly paths. Picnics are allowed in designated areas, or enjoy refreshments from the park's Starbucks with a view. Plan for 2-3 hours.
Approximately 10-minute walk from Shinjuku Station (South Exit) or 5-minute walk from Shinjuku-Gyoenmae Station (Tokyo Metro Marunouchi Line).
A fantastic free, hands-on museum where children can learn about fire prevention, see historical and modern fire engines, and even try on firefighter uniforms. Interactive exhibits make learning fun.
Free admission. Highly engaging for children aged 3-12. Stroller-friendly with elevators. Expect to spend 1.5-2 hours.
Directly accessible from Yotsuya-sanchome Station (Tokyo Metro Marunouchi Line). About an 11-minute walk from Shinjuku Gyoen.
Let the kids enjoy the diverse playgrounds at Komazawa Olympic Park.
This large park features multiple themed play areas (squirrel, pig, horse), open fields for running, and cycling courses. It’s a perfect spot for active play and relaxation.
Free entry. Excellent for all ages, especially 3-12. Plenty of space for children to run, climb, and play. Restrooms and a cafeteria are on-site. Plan for 1.5-2 hours.
Accessible via Komazawa-Daigaku Station (Tokyu Den-en-toshi Line) followed by a walk or bus. Paid parking available.
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