Denise Gaskins' Playful Math
Penrose Triangle Mug
Penrose Triangle Mug
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Celebrate the joy of math as you drink your morning coffee, evening tea, or anything in between. You'll love this sturdy, glossy mug with a vivid print that'll withstand the microwave and dishwasher.
Bonus Gift: Along with your purchase, you'll receive the digital activity book Geometric Coloring Designs 3: Isometric Drafting, with instructions for drawing several creative projects, including the impossible Penrose Triangle.
• Ceramic
• 11 oz mug dimensions: 3.8″ (9.6 cm) in height, 3.2″ (8.2 cm) in diameter
• 15 oz mug dimensions: 4.7″ (11.9 cm) in height, 3.3″ (8.5 cm) in diameter
• 20 oz mug dimensions: 4.3″ (10.9 cm) in height, 3.7″ (9.3 cm) in diameter
• Lead and BPA-free material
• Dishwasher and microwave safe
• Blank product sourced from China
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
FAQ: HOW MUCH IS SHIPPING?
FAQ: HOW MUCH IS SHIPPING?
We offer free US shipping on all merchandise. Merchandise items are only available in the US at this time.
FAQ: HOW LONG WILL IT TAKE?
FAQ: HOW LONG WILL IT TAKE?
Our merchandise items are made-to-order especially for you by our printing partner in the US. When you order an item, it will be created to your specifications and then shipped to you.
Because each item is created just for you, the delivery time ETA is usually 2-3 weeks. If you have multiple items in your order, you may receive them in separate shipments at different times.
FAQ: CAN I RETURN IT FOR A REFUND?
FAQ: CAN I RETURN IT FOR A REFUND?
Because our print books and merchandise are made-to-order especially for you, our return policy is limited.
If an item is defective, we can refund or send a replacement — your choice. Email us for details.
For non-defective items, you pay the return postage, the item must be in like-new condition, and there is a 25% restocking fee.
You may initiate a return here.
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