4M - Green Science Water Treatment Plant 4M-03 281 Brand 4M located in Hong Kong is recognized educational toys since 1993. Developing various creative, innovative, high quality products based on science build its way around the world. Mandatory safety in the design of products through regular testing in the EU and the US. With games children will develop their curiosity, what is learned through study. Discovery, design and production through trial. Help to save the environment, the Green Science 4M for treatment and reuse of waste water. Build your own station for water filtration. In interesting experimental kit will find everything you need! Suitable age: 8+ years
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