Check how well you know the geometry by solving construction problems on a triangular grid.> 277 tasks: from very simple to really hard> 24 subjects to explore> 66 geometric terms in a glossa...
Tchisla is a really absorbing number puzzle from the creators of Euclidea. Explore the magic world of numbers and train your mental arithmetic skills. All you need is to represent numbers as arithmeti...
海外精品游戏正版授权,体验版正式上线,中文版正在汉化中,让我们一起期待吧!**Over 1 Million downloads in 3 weeks** 50 50 is a simple game...all you have to do is split a shape in half and get 2 50% shapes. Sound pretty easy right...
"I am not sure that I've ever seen a more compelling 'show-don't-tell' educational tool than 4D Toys." –Ars TechnicaWhat if you received a box filled with mysterious toys from ...