Project Genius® Inverse™ Stratosfear

Set your skills soaring to the limits with this monochromatic blue cube that twists and turns on varying degrees of axes. Notably the most difficult puzzle in the Inverse collection.

Ages 8+

Easy returns
We want you to be thrilled with your purchase! That’s why we offer a 30-day return policy, which means you have 30 days after receiving your item to request a return. Learn more. Shipping
Orders ship USPS Priority Mail or UPS Ground, usually arriving in 3-7 business days. Shipping costs calculated at checkout. Expedited shipping is available for an additional fee. Shipping turnaround time is often within 24 hours. Learn more.