Author's review
Just finished the 557-particle car. Structural aspects feel not solid enough, should be the relationship of design, or limited to the number of bricks, there are a few places are relying on a brick combination, if you can play it should be easy to spread.
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Build a manual is very small, not very good eyes not easy to see.
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It's not appropriate to set up the arrangement, and the body is half-loaded with four wheels. You know, it's not easy to fit other body parts because the wheels slide! It's something I've never seen playing with other tech building blocks.
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In terms of backforce, pull back and then let go, the car will automatically go forward, but out of a lot of stop, and the speed is very slow. Considering that its structure is not solid, if running too fast to install it will be scattered.
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There are some advantages:
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The wheels have electroplating sleeves and are very beautiful
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The details are good, mostly by stickers, but beautiful
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Originally wanted to group to play for the child but the group to half to eliminate the idea. It is better to let him play a large science car, at least strong and hard to fall not afraid of scattered.