CaDA Steam Series - The Secret of Safe - C71006W

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The CaDA Secret of Safe (C71006W) is a Steam Series mechanical puzzle brick set — building a combination safe with working combination lock mechanism. The Secret of Safe teaches me chanical principles including cams, levers, and combination lock mechanisms through the satisfying process of building a working safe and then locking and unlocking it. Compatible with other major brick brands. Subject: Working combination safe with real locking mechanism Part of CaDA's educational Steam series Teaches cams, levers, and combination lock mechanics Compatible with other major brick brands Show more