Quality, I really like how your toy uses cars with different masses. How are you going to make the cars heavier but still the same size?, One strong part of your design is how colorful and simple it is for a five-year-old to understand., One thing that could be improved is labeling the different forces acting on the toy during play., You might want to add a stronger material for the base so it doesn't tip over easily., What made you decide to use a spring to launch the ball?, How does the part where the car crashes into the wall demonstrate Newton’s Third Law?, The animals are very cute and I think kids will really enjoy them!, Developing, I like how it moves, but I don’t know why., You might want to fix it a little to make it better., I like the colors, but maybe you could add something else too., Have you thought about making it stronger?, Nice idea. Maybe add more stuff., Your project is cool, but it’s kinda confusing., Are the cars supposed to crash into each other?, Poor, My toy is better., I like it., Good job!, Why a cat?, I don't get it., I would play with it!, You stole our idea!.

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