MATHS WHIZZ - ADULT SIZE - Includes express delivery! 50 pcs - ADULT Size - 202mm x 12mm x 2mm - Ideal for Secondary Schools. £59.99 £49.99 Quantity: at £49.99 each Add To Basket ADULT SIZE x 50 pcs. Ideal for secondary schools. 'Maths Whizz' reward wristbands help endorse good work ethic, achievement and encourange students of all levels. Other sizes available. Prices include express delivery to the UK Mainland.