Are all minerals equally hard? How can I grow a mineral salt? These and other questions will be from 5 exciting experiments Why? Why? Why? Experimental box answer for children. A detailed instruction book and everything you need for the fascinating experiments, the same hand.
content
bag with 8 different precious stones,
a soapstone,
a magnifying glass, plaster
,
1 thread, 1
Rührkelle,
instruction book.
From 6 years
Caution!
only for children over 5 years. For use under adult supervision. Read the instructions before use, follow with knife. Suffocation.
here along with a question
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