The Treat Wheel inspires natural, treat-seeking fun! Start by filling the 8 treat chambers with treats or kibbles. Then, encourage your pup to explore the toy. By pawing and nuzzling at the Treat Wheel cups, your pup will quickly learn to retrieve the treats! Every dog's a winner with Outward Hound Games! Bring out the genius in your dog with our interactive, treat-seeking puzzles and exercise toys. • 4 treat-hiding cups • 8 treat chambers • Multiple scent guides • Adjustable difficulty knob on bottom • BPA, PVC, & phthalate free