2023 'Improbable Contraptions' Wall Calendar

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Have you ever dreamed of a spiraling megaphone for dogs? A seal-powered bicycle? Or a masochistic-looking hands-free toothpicker? These contraptions could only come from the unmatched imagination and art of Mike Wilks. His elaborate illustrations inspired by William Heath Robinson envision a world where even the most mundane tasks have complex machinery to assist in their completion. Note that the title of this calendar is improbable, not impossible. Let these 12 gadgets inspire your creativity throughout the year. 12 monthly grids Size: 12 x 13 x .125 in.
Opens to: 12 x 26 in.

Delivery within the UK

We offer free standard delivery on all orders over £50.*

Orders up to £30 are charged a flat fee of £4.95

Orders between £30.01 and £50 are charged a flat fee of £6.95.

Usual delivery timescale (excluding custom prints) is between 5 and 7 working days from the date of dispatch. Please allow up to 14 working days for delivery. *UK only. For custom print delivery pricing and timescales see below.

Delivery Worldwide

We can also ship most items worldwide. 

For full details, including prices, click here.

Custom Prints

Your prints and frames will be handmade by King & McGaw at their Sussex workshop.

Unframed orders are shipped within 5 working days (normally shipped next day).

Framed orders are shipped within 20 working days.

Further information on delivery timescales for custom prints can be found here.


If you are not completely satisfied with your item you may return it within 28 days for a refund.

For further details on returns click here.

Unfortunately we cannot offer a refund on custom prints unless they are faulty or we have made a mistake. Custom prints are exempt as they are made to order.

SKU: Z427