01Almost Surely cap
850 ₴Blue cap with mathematical embroidery. An everyday reminder that probability has its own kind of certainty.
Adjustable fit · proposed embroidered design
5–6 December 2026 · Kyiv
Pick something you’ll keep. Support the competition and the next generation of mathematical talent.
Design previews, not ready-to-ship stock. We confirm production, final details, timing and payment by email before you commit. No payment is taken on this website.
01 / Collection
Prices in UAH. Delivery is additional.
01Blue cap with mathematical embroidery. An everyday reminder that probability has its own kind of certainty.
Adjustable fit · proposed embroidered design
02A custom playing-card deck with mathematical backs, classic suits and a matching box. For the next game—and the next probability problem.
52 playing cards + 2 jokers · boxed deck
03A place for conjectures, calculations and the proof that finally works. Cream cover, blue type and a coral accent.
A5 research notebook · final paper specification to be confirmed
04Carry a little probability space with you. A cream tote with blue handles and the (Ω, ℱ, ℙ) design.
Canvas tote · mathematical print
05Almost surely, a better-looking notebook. A compact set of mathematical symbols and sample paths for your everyday objects.
One themed sticker set · final assortment to be confirmed
Design previews · final details confirmed before payment. Up to 10 per item. For a larger order, mention the quantity in your email.
03 / Delivery
Delivery is paid separately. Tell us your city; we’ll confirm the carrier, cost and dispatch timing before payment.
International delivery is possible by arrangement. We check the destination and quote delivery separately before confirming your order. Any applicable import charges are also separate.
The merchandise subtotal does not include delivery. Final production details, availability, payment arrangements and delivery are agreed with you by email.
The money raised through this collection supports the Probability & Games competition and opportunities for mathematically talented students. Thank you for helping make the event possible.
Explore the competition ↗