These blocks are transparent in the colored part which makes them perfect for color exploration or building structures where the light can shine through them. A piece of paper on the opposite side as the light comes through allows tracing around the shape of the structure. They also make great windows in unit block construction. The size is the same as unit blocks.
Pro's: Good sturdy plastic blocks. Good size for building, not cheaply made. Con's: None Would recommend. Will buy another set in order to build small houses for the kids.
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