Brain Teasers

The fast-stacking, nerve-racking, block-building game! Quick, grab a BUILDZI block and start building. Be the first to build your tower, but — careful — don’t let it tumble. 32 BUILDZI blocks, 32 tower cards, 32 block cards and lots of ways to play!

Take control of your very own UFO to solve magnetic challenges! Maneuver your way over and around farm obstacles while beaming up cows. The 40 Easy to Super Hard challenges are great for beginner puzzlers, while the 20 Genius level challenges are appropri

Put your critical thinking to the test and fire up the strategic problem solving! Stack, pattern and match the multicolor shapes. Don’t be fooled by appearances, these endlessly enjoyable blocks mean brain-boosting business. Mental Blox help children pra