Unlock the key to wisdom with this advanced logic unlocking toy - a puzzle board game series that challenges your IQ! Featuring 40 double-sided question cards and 80 logical levels, this game requires you to establish connections based on clues. To play, insert all the cards into the base, then insert the key under your chosen answer. Pull the card upwards - if it doesn't come out, the answer is wrong; if it does, you're correct! Keep unlocking higher levels by observing and re-locking answers. This educational game makes learning fun, enhancing children's cognitive skills while they play. Item Name: Toy Material: Plastic Features: Intellectual Challenge, Versatile, Educational Entertainment Size Details: Card Size: 14cm x 10cm/5.51" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Base 1 x Key 1 x Rope 40 x Cards (Double-sided)