In Germany, the UN Convention on the Rights of the Child applies. On the page https://www.kinderrechte.de/ you get an overview of the most important aspects.
Further information and materials in different languages can be found at: https://www.unicef.de/informieren/materialien
Here is a short overview
(Https://www.bpb.de/lernen/grafstat/partizipation-vor-ort/141244/m-02-05-kinderrechte-kurz-und-knapp)
The right to equality
All children are the same. Governments always respect the written down rights, at all times, for all their children, even if the children come from another country, have a different skin color, are girls or boys, speak another language, to another god or to no god believe, parents who think differently than yours, are richer or poorer than you, are disabled. (Article 2) [1]
The right to survival and development of the child
The innate right to life and the duty of the state to ensure the survival and development of the child. (Article 6) [2]
The right to a family, parental care and a safe home
Every child has a name, a nationality and a family. [...] A child must not be separated from his parents if the parents do not want to. It may be that a court has decided to separate children from their parents. For example, if the parents mistreat the child, beat it very hard and repeatedly, or otherwise do something bad to it. [...] Even if the child lives separated from his parents, he has the right to maintain contact with them [...]. (Articles 7, 8 and 9) [1]
Protection against unlawful deportation and non-repatriation
[The law emphasizes] the duty of the state to engage in the fight against illegal child abduction abroad and non-repatriation by a parent or a third party. (Article 11) [2]
The right to communicate and to be heard
Children have the right to inform themselves and form their own opinion. They are allowed to say what they think and to take their views into account when making decisions. (Articles 12 and 13) [3]
Right to privacy
Children have the right not to interfere with their private lives, their family life or their personal messages (eg letters, e-mails, SMS). In addition, one must not violate their honor and their reputation - in the sense of the law. (Article 16) [3]
The right to non-violent education
Children have the right to nonviolent education. (Article 19) [3]
The right to protection in war and on the run
Children have the right to be specially protected when war is in their country or they are on the run. (Article 22) [3]
The right to care in case of physical and / or mental impairment
[Children with disabilities] have the same rights as all other children. In addition, they have the right to special help. Medical assistance should help to treat their disability. Therapies are designed to alleviate the consequences of disability. Schools prepare children for a life as independent as possible and enable them to learn a trade. Despite the diversity of children [with and without disabilities] they should be as much as possible together, play together, learn and help each other. (Article 23) [1]
The right to health and the protection against narcotic drugs
It aims to enable children to live as healthy as possible. It also means that they have the best possible access to medical health centers. Likewise, care should be taken to protect children from the use of narcotic drugs. (Articles 24 and 33) [3]
The right to adequate living conditions
Each child should be allowed a certain standard of living. This is part of z. For example, to ensure the nutrition and clothing of children and to equip the dwellings to meet the key needs (e.g. in the form of sanitary facilities). (Article 27) [3]
The right to education
Children have the right to learn what they are interested in and what they need to be with other people. That is why all the countries in the world run schools. The convention even states that it is obligatory to attend school. (Article 28) [1]
The right to leisure, play and recreation
Rest, relaxation and play are important moments in every child's life. The cities and towns make sure that their children and young people have opportunities for a variety of recreational activities. (Article 31) [1]
The right to protection against economic and sexual exploitation
The Convention aims to protect all children from child labor and exploitation. Protection means here that the governments of the various countries enact laws that say from which age children may work [...]. Nobody has the right to touch you if you do not want it or if you are not comfortable with it. [...] You can refuse when adults push and hold you longer than you want. (Articles 32 and 34) [1]
The right to protection in armed conflicts and the right to recovery and reintegration of injured children
Children have the right to protection in armed conflicts and are not allowed to join the armed forces. Children cannot be tortured or arbitrarily arrested. Children who have experienced a misdemeanor of this form have the right to regain their health and return to normal life. (Articles 37-39) [3]
Right to State action against kidnapping and child trafficking
Children have the right to state protection against kidnapping and child trafficking. The state is committed to doing everything to prevent the sale and kidnapping of children. (Article 35) [3].