Na serveru Slunečnice.cz je zajímavá iOS aplikace:

DragonBox Numbers 1.8.4

Give your child the foundation they need for future math learning with DragonBox Numbers. DragonBox Numbers will teach your child what numbers are, how they work, and what you can do with them. The game makes it easy and fun for your child to gain an intuitive understanding of numbers. It's a…

Adresa: https://www.slunecnice.cz/sw/dragonbox-numbers/