Websites such as a FreeCycle are very useful for disposing of unwanted items. You can also put notices in some shops - local shops or Wilko for example. There are probably play groups, community centers or child minders who would like to take them - our neighbour is a child minder and was delighted when we gave her some of our grandchildren’s old books, art materials etc.
NHS U turn on trans terminology
Where to be interred ? Burial Decisions