Show off your advertising message with our promotional brain teasers, sudoku games, rubik's cube puzzles and games that work the mind. Custom Brainteasers make great trade show giveaways. Using one of our promotional witty toys are designed to test the intelligence of the mind while reducing stress. Try these brain teasing gifts that help unwind¦or wind up! Test your skills and wits. Fun teasers are affordable and have unique designs that add a challenge to your gifts.