Navir gyroscope Wonder Didactic precision instrument, it challenges gravity that stays in balance in every position. Stick the end of a string through the axis opening of the gyroscope. Let the axis rotate until the string is almost completely wrapped up. Then hold the gyroscope and pull the string. You can then let the gyroscope balance on the pedestal, on your finger, on a string, or on another object. Specifications: Gender: junior Colour: red Material: steel Diameter: 7,5 cm Age: from 6 years Contents: 1 Gyroscope 1 Rope