1) With easy medium and hard level display,and randomly generated with 100.0000puzzles built-in;
2) Counting time function auto recording the cost time in every level and keep the highest record;
3) Save power function can power off automatically;
4) Adjust contrast of LCD display;
5) Back-light option
Packing:
QTY:90PCS
N.W:10.4KGS
G.W:11.4KGS
MEAS:46X46X46CM