Entertaining 2D and 3D brain teaser with levels of difficulty that will test your skills.
Using combinations of coloured connected balls, the challenge is to complete the constructed designs from the enclosed booklet. Split into levels of difficulty from easy to expert, the 120 challenges get harder as you need to fill in more missing pieces, moving from the tricky 2D puzzles to cunning twisted 3D pyramids. Suitable for any age from 6 to 'very wise' - build that genius IQ!