Infinitely adjustable-height changing table.
The user set the changing table to a height suitable for him and unplugged the power cord so the older children can’t play with it.
In Sweden: Mayday Aid, www.maydayaid.se (last checked July 2017)
See also www.youtube.com/watch?v=dWZI_wFwZnE#t=101 (last checked July 2017)
This tip is from 2011