Class 4 LEGO → System → Basic 556 << 557 >> 558 Basic Building Set Item №: 557 Minifigures: 1 Ages: 5-7 Released: 1987 Theme: Basic 557 Basic Building Set is a Basic set released in 1987. External links Brickset Lugnet Peeron See a price and investment guide on BrickPicker.com Categories: Class 4 articles Sets with unknown piececount Unknown Price 0000 sets Basic 1987 sets Community content is available under CC-BY-SA unless otherwise noted.