TIMES TABLES CHALLENGE - ADULT SIZE - Includes express delivery! 50 pcs - ADULT Size - 202mm x 12mm x 2mm - Ideal for Secondary Schools. £59.99 Quantity: at £59.99 each Add To Basket ADULT SIZE x 50 pcs. Ideal for secondary schools. Start the 'Times Table Challenge' and incentivise the whole class to remember their Times Tables with on the spot rewards. Other sizes available. Price includes express delivery to UK Mainland.