Calvin’s 4×4 Inverted Glassy House Cube II Calvin’s Puzzle

Orders will be shipped out within 1-2 business days after we have received payment. Estimated delivery is 3-8 days.

Orders will be sent via USPS Priority Mail, Express Mail or First Class Mail.

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When your order is delivered, you will receive tracking information via email.

You are able to return items that have not been opened for a complete refund or exchange within 50 days of the date that you received your merchandise.

Return shipping charges are entirely the responsibility of the buyer, unless we made a mistake (i.e. wrong item or damaged product). If there is an exchange request, we'll cover the cost to send the replacement item back to you.