Click to expand Tap to zoom Chuckit! Whistler Ball by Chuckit Sale £9.99 | / Small x2 - £9.99 Medium x2 - £10.99 Large x1 - £10.99 Size Small x2 Medium x2 Large x1 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The Whistler twitters and whistles during flight for added fun. Easy to clean and made from all natural rubber.