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World We Once Lived In Class_SCHOOL REFERENCE Make a colour-changing waterfall to

SKU 49475366188
4.3
USD28.95 USD62.95

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Description

Make a colour-changing waterfall to explore the chemistry of acids and bases

Inaho and Usapyon are making great progress on their space rocket

Berkali-kali

and they have to fight fierce battles to continue their journey

and robots to life using the popular BeagleBone embedded Linux platform

World We Once Lived In Class_SCHOOL REFERENCE Make a colour-changing waterfall to

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