Monkey-Proof Box: Curriculum Design zum Aufbau von Wissen, Entwickeln von Kreaten...
18,42 €
A group of monkeys. A box full of nuts. A lever on its front that releases the nuts down a chute. The monkeys excitedly poke at the box with rocks … nothing happens. But when the others wander off, he gets up and, with a curious push of his palm, presses down on the lever.
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