Check this out on Amazon Dog Puzzle Toys - Dog Toys for Large Dogs, Dog Treat Puzzle for Training Treat, Dog Enrichment Toys for IQ Training & Brain Stimulation https://www.amazon.com/dp/B09NNKDP89/ref=cm_sw_r_other_apa_i_Y0V5E911VFHZZ3QX8SJ8?_encoding=UTF8&psc=1

This link is the same thing, but has a $4.00 off coupon, so it's like $10 before tax!