Two of the(not quite) same kind! The puzzle pieces of IQ Twins are 2 peas in a pod, but not 2 of a kind! 10 puzzle pieces form 5 colour pairs. One piecewill only fit on the board at 90 angles, while its twin requires 45.IQ Twins comes in a handy travel case and includes120 challenges from easy to expert, making it greatfor both kids and adults. Are you ready for this brain-training puzzle? CONTENTS: game board with lid, 10 puzzle pieces, booklet with 120 challenges and solutions. Ages: 7 + years