The construction costs for the sand mover should be relatively low. The belt, carts, pulleys and pole are very cheap to manufacture. Additionally, these items are very durable, especially considering a child will be using them to move things. This means that the sand mover will not be subject to high amounts of forces. The sand mover will be relatively safe, so long as the pole attached to the ground is firmly in place and the carts are securely fastened to the belt.
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