Tsum Tsum Perry the Platypus By Phineas & Ferb 3.5 Inch Stuffed Animal Plush FREE Tsum Tsum- When you buy 3 or more Tsum's from PlushyHeaven you will receive a free random Tsum.If you buy 4 you can chose the free Tsum via message to the seller! Perry the Platypus By Phineas & Ferb! There is a little ball chain attached for comfort on the Tsum's back 3.5 Inch/9 Cm