"Science tools" . "Science tools"@en . . . . . . . . "Photographs and simple text introduce some of the tools that help make scientific discoveries; the funnel, ruler, magnifier, eyedropper and scale." . . "A simple introduction to some of the tools that help us make scientific discoveries, including the funnel, ruler, magnifier, and eyedropper." . "A simple introduction to some of the tools that help us make scientific discoveries, including the funnel, ruler, magnifier, and eyedropper."@en . . . . "Instrumentos para investigar" . . "Juvenile works" . "Juvenile works"@en . "Instrumentos para investigar"@en . . . . "Spanish language materials." . .