TomTop offers the Slow Rebound Toy in Assorted styles for $1.70. Coupon code "TTSLOW" cuts the price to $1.19. With free shipping, that's $9 off list and the best we could find. There are around 17 styles to choose from.

Note: This item ships from China and may take up to four weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.