Play a new twist on the classic Rubik’s Cube with a game made to challenge your flexible thinking, speed, and problem-solving skills. Flip over a Gridlock challenge card to reveal your puzzle, and place the fixed starter blocks as shown on the challenge card. Your goal is to figure out how to place all of your remaining blocks on the board without moving the starter blocks. There is only one way to solve the puzzle for each challenge card, so choose your next moves wisely! Play by yourself or with a partner to try to solve the puzzle as quick as you can! Gridlock includes a travel case, 11 blocks, and 88 different challenge cards separated into four difficulty levels for ages 7 and up. A must for puzzle lovers and fans of Rubik’s Cube, Rubik’s Race game, brainteasers, puzzles for adults and kids puzzles and makes the perfect gifts for men, gifts for women, and gifts for teens.