Product Description This calculation board allows you to make equations with the numbers 1 through 20. It's an optimal math exercise tool for children in primary school. The colorful number pieces motivate the young math whizzes. So who will be the first one to solve all their equations? Safety Warning Small parts suffocation danger P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Box Contains 1 x 1 + 1 Number Fun See more
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