Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Wire puzzle Mind Matters Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $4.99 | / Beginner-Yellow - $4.99 Intermediate-Purple - $4.99 Expert-Teal - $4.99 Master-Green - $4.99 Genius-Red - $4.99 Beginner-Yellow Intermediate-Purple Expert-Teal Master-Green Genius-Red Level Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. 6 levels availables 6 years and up 99-20265