It's a 3-D puzzle and a building set in one! This follow-up to the best-selling, award-winning Mental Blox game is specially made for younger players. Kids as young as 4 will love solving 28 puzzle challenges by stacking the colorful, engaging blocks into the right combinations. It's the perfect way to encourage the early development of critical thinking and logic skills. Includes Activity Cards to guide the play! Tray measures 6.25 x 6.25 inches. Recommended for 1 or more players, ages 4 and up. Made in China. Package dimensions: 8.500 x 8.500 x 3.000 inches. Includes Puzzle Tray, 8 Puzzle Blocks, 28 Double-Sided Puzzle Cards, Activity Guide. Wipe clean with dry or damp cloth. Imported Material & Care Plastic Spot clean only