Two of the (not quite) same kind! IQ Twins challenges players to fit 10 puzzle pieces - 5 pairs of same-colour pieces - on the game board. But watch out: the twins are not identical! One piece will only fit on the board at 90° angles, while its twin requires 45°. IQ Twins comes in a handy travel case and includes 120 challenges from easy to expert, making it great for both kids and adults.Are you ready for this brain-training puzzle?