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1" (104mm) Hex Size: 17mm
so that complete unloading can only be guaranteed at the same height as the tipper
and make realistic sounds when the ears are pressed
5" (216mm) Length: 7
NG Cool Reactions! tayio 1" (104mm) Hex Size: 17mmThe National Geographic Cool Reaction Chemistry Kit has everything your children need to conduct five amazing experiments. They'll make messages appear and disappear, create fizzy, bubbling reactions, and more! A detailed experiment guide takes you step by step through each experiment and includes insight into the pH science and chemical reactions that make this kit so much fun!
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