Lego is "letting kids down" by putting sales above the environment because of its _1_with Shell, say Greenpeace, the environmental organisation.
The charity is launching a global _2_ to get Lego, the children's toy manufacturer, to drop the oil giant, Shell.
More than 16 million Shell-branded LEGO sets have been sold or given away at petrol stations in 26 countries. Greenpeace believe Shell is using Lego to _3_ its image.