Playm8 20Cm Bump Balls | PLM021 The bumps on these brightly coloured balls make the ball easy to catch. Flexible yet durable these safe, soft feel balls are slow moving allowing more time for eye tracking giving a higher level of success. 20cm diameter when fully inflated. Supplied as a set of 6, one of each colour: red, yellow, blue, green, orange and purple. PLAYM8 Bump Balls. FEATURES Bump Balls are brightly coloured allowing for better catching and easy recognition in flight Flexible yet durable these safe soft feel balls are slow moving allowing more time for eye tracking giving a higher level of success