ASTRONOMY
Telescope EI0780 • optical system: refractor (lens telescope) • magnification: 300 x • diameter: 45 mm • focal length: 600 mm • focal ratio: f/13
• resolving power: 2.57" • magnitude: 10.8 mag • focuser: 0.98
Solar System model VO8500 A motorized model (batteries not included). • size: 34.5 x 26 x 17 cm • automatic rotation • voice interactive
LANDFORM
Volcano kit EI0011 • 15 elements; instruction manual • age: 10+
3D mountain model. Topography NS6141 This plastic model of a volcanic mountain was specially designed to demonstrate the creation of the contour lines and to help to explain their functions. The equipment of the set allows the students
to convert a three-dimensional model into a two-dimensional contour drawing. The transparent model can be placed on the projector and presented to the class. • meas. of the model: 34 x 20 x 8.5 cm • overlay, 32 x 18 cm; black crayon, food colouring; • material: plastic; age: 8+
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