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30 models are propelled by a hydro pneumatic motor–by water jet and water inside recycling! Hav..
S$109.90

Build 15 vehicles propelled by a hydropneumatic motor. Two different systems: * 5 models with..
S$79.90

● The hydro power in this set utilizes the principles of air and water pressure so that after kids c..
S$39.90

●5 different models built easily one after another – windmill, electric car, airplane, helicopter an..
S$79.90

● Build gravity-defying Gyro Robots without batteries but rip cord! ● Explore the magic of Gyrosc..
S$49.90

Product Features ● With detailed assembly instructions, the manual also includes principles and app..
S$199.90

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