Kre-O is a construction toy similar to Lego. This is a licensed Dungeons and Dragons set still sealed in the package. Sells new from Amazon for $25. Note: the package has never been opened - still shrink wrapped. Full details can be seen here: https://www.amazon.ca/dp/B00HFMGYP6/ref=cm_sw_em_r_mt_dp_BW2B19WRR9QNPC9M1P0D?_encoding=UTF8&psc=1