glass sphere

WK 5640

Regular price $12.50

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Only 11 items in stock

The glass ball is hollow and when partly or wholly filled with water, becomes a magnifying glass. Reductions in image sizes are created if held under water.

Recommended for 9+ yrs.  Particularly suited to the study of light and optics in Grades 6 & 7.

Instructions, explanations, and suggested experiments in English and French.

Winner of the german Spiel Gut award.

6.5 x 6.5 x 4.5 cm. Weight 41 grams.

Made in Germany.