Since children often have a natural affinity for math and numbers, this model supports four basic arithmetic operations involving two-digit numbers. However, when performing division, calculations must be carried out from right to left. The wheel features pre‑configured “=” or “≈” symbols for easy selection.

It’s also important to note that the left and right side covers are designed with distinct left‑right orientations; be sure to print them in matching pairs. When installing, carefully align the central axle with the wheel’s grooves before securing it in place.