This set of 60 wooden dominoes allows children to practice their times tables 1-12. The dominoes are color coded into 3 levels and are designed to be used one level at a time. Green beginner level includes 1, 2, 5 and 10 times table, yellow intermediate features 3, 4 and 8 times table and red advanced level includes 6, 7, 9, 11 and 12 times table. All the dominoes are made from FSC wood and measure 9.5 x 3cm. Age: 3+.