Classic heat steam candle powered speed boat toys
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feature: 1.Happy and easy to learn 2.Exercise your children practical ability 3.Train your children observation capability, thinking and analytical skills
About Design and Size
It is learning model to display having size 13.8*7 cms dmensions.
Material: Safe Eco- friendly, non-toxic, ABS plastic material.
Learning physics knowledge points
1.Driving force Conversion 2 .Steam driving force 3.Action and reaction.
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