The old classic warhorse in a convenient travel size! Slide rules have been teaching the basics of arithmetic for ages. This one is made of robust FSC® 100%-certified wood and lets the young math whizzes practice maths, even on-the-go. Brightly colored, movable beads in five rows teach the user about numerical proportions. In this smaller format, this slide rule fits in every schoolbag!

measures approx. 13 x 5 x 15 cm

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