A normal abacus has ten equal rows of ten. The 1+1 Calculation Shelf has ten arched rods in a staircase, ten beads down to one, so the size of each number is visible.

Numbers 10 to 1 along the base under each rod, columns of sums on the wooden panel behind, and on the carton the four play types: counting, colour distinguishing, addition and subtraction.

Slide some beads over the top of an arch to the other side. What stays on the first side is the answer, for example three moved from the ten rod leaves seven.

The supplier suggests four years and up, and the carton carries a symbol warning that it is not for children under three because of small parts.

Yes, in a printed carton titled 1+1 Calculation Shelf showing the toy and its four play types, which makes it ready for gifting.

Yes, for the early years. Counting to ten, comparing numbers and sums within ten are exactly what prep and class one cover, and beads make each answer something a child can see.

Each rod's beads share one colour, including blue, red, green, yellow and orange, so the columns are easy to tell apart.

It has a wooden base, wooden sums panel and wooden beads on arched rods. No material grade or certification is printed, so we do not claim one.

Yes. Cash on Delivery is available across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi and many other cities.

Orders are confirmed on WhatsApp before dispatch. Delivery usually takes 3-5 working days in major Pakistani cities, depending on courier route and city.