2008
- May
- 1. Kitasuwa Elementary School in Tama, Tokyo
- 2. Minowa-Higashi Elementary School in Minowa, Nagano
- 3. Girl Scouts of Kyoto
- June
- 1. Midorigaoka Elementary School in Izumi, Osaka
- 2. Yutaka Elementary School in Tsukubamirai, Ibaraki
- 3. Tosen Elementary School in Koto-ku, Tokyo
- 4. Katayama Elementary School in Suita, Osaka
2007
- May
- 1. Chine Elementary School in Amami, Kagoshima
- 2. Kasagi Elementary School in Kushima, Miyazaki
- 3. Minamimaki-Minami Elementary School in Minamimaki, Nagano
- June
- 1. Kamitakimi Elementary School in Toyota, Aichi
Kakegawa Elementary School in Seto, Aichi
Shimoyama Elementary School in Okazaki, Aichi - 2. Yamase Elementary School in Yoshinogawa, Tokushima
- 3. Sakuragaoka Elementary School in Akaiwa, Okayama
- July
- 1. Entoku Elementary School in Nakano, Nagano
- 2. Asahigaoka Elementary School in Himi, Toyama
- August
- 1. Kodomo Koyasan Summer College in Wakayama
- 2. Shiretoko Nature School in Hokkaido
- 3. Girl Scouts Nagano branch Summer Camp
- 4. Kukizaki Daini Elementary School in Tsukuba, Ibaraki
- 5. Yamada Community Center in Kusatsu, Shiga
- September
- 1. Takehaya Elementary School of Tokyo Gakugei University in Tokyo
- 2. Kita-Ochiai and Ochiai Elementary Schools in Minami-Furano, Hokkaido
- 3. Yamabe Daiichi Elementary School in Furano, Hokkaido
- 4. Takamori-Higashi Elementary School in Sendai, Miyagi
- 5. Shari Elementary School in Shari, Hokkaido
- October
- 1. Ookawara Elementary School in Showa, Gumma
2006
- Tokyo
- 1.Ota Ward Koike Elementary School
- 2. Setagaya Elementary School of Tokyo Gakugei University
- 3. Sumida Ward Nakagawa Elementary School
- 4. Shibuya Ward Hatomori Elementary School
- 5. Kita Ward Takinogawa Dai-ni Elementary school
- Chiba
- 1. Inzai City Nishinohara Elementary School
- Saitama
- 1. Seibu Gakuen Bunri Elementary School
- Kanagawa
- 1. Yokohama City Okamura Elementary
- Hokkaido
- 1. Furano City Furebetsu Elementary School
- Aomori
- 1. Hirosaki City Chien Elementary School
- Nagano
- 1. Minowa-machi Minowa-nishi Elementary School
- Ishikawa
- 1. Hakui City Wakuwaku Net Hakui
- Oita
- 1. Oita City Ozai-nishi Elementary School
- 2. Kita-Ochiai and Ochiai Elementary Schools in Minami-Furano, Hokkaido
- Okinawa
- 1. Shikina-en Chiiki Fureai Project
2005
- Tokyo
- 1. Ota Ward Nakahaginaka Elementary School
- 2. Sumida Ward Kikukawa Elementary School
- 3. Miyake Village Elementary School
- 4. Mitaka City Fourth Elementary School
- 5. Setagaya Ward Futakotamagawa Elementary School
- 6. Meguro Ward Mukaihara Elementary School
- 7. Takao National Park, Meiji-no-Mori
- 8. Tama Zoo
- Hokkaido
- 1. Teshikaga-cho Shoei Elementary School
- 2. Teshikaga-cho Biruwa Elementary School
- 3. Teshikaga-cho Kawayu Elementary School
- 4. Kushiro Marsh
- Shiga
- 1. Nagahama City Kamiteru Elementary School
- Oita
- 1. Kitsuki Municipal Hoyo Elementary School
- 2. Kitsuki Municipal Higashi Elementary School
- Miyazaki
- 1. Forest field study base, Miyazaki University
