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Why? Why? Why? Ravensburger - phenomena around optical illusions

Why? Why? Why? - Optical illusions

With my first experiment box makes it really fun young researchers to discover all sorts of phenomena in relation to optical illusions. Where my brain is playing tricks on me? or How are moving images? 5 experiments to answer these questions and more appropriate for children. An illustrated guide and many materials invite you to experiment.

content
a cardboard tube,
1 cup,
3 plastic diamonds,
a roundabout
3 centrifugal wheels, a cardboard
,
seven cards with optical illusions.

From 6 years

Warning!
suffocation due to small parts.
Not suitable for children under 3 years.

Click here to go to the product.

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