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Carry out crazy experiments with things you can find around the house.Turn your home or yard into a laboratory and make paint bombs and elephant toothpaste, grow crystals, watch volcanoes... MeerHardback|Oktober 2017Voor 21.00 besteld, morgen in huis.5,00
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Engelstalige editie van Springende pinguins en lachende hyena's MeerHardback|Februari 2018Voor 21.00 besteld, morgen in huis.5,00