3 Vintage  slope walkers (weighted)  large cow ; chicken (modern) ; rare bi-bip 

cow   
4" x 2 " plastic body & legs. very good condition (small wooden weight)

Chicken
2" x 2 1/2" plastic with plastic weight

Rare Bi-Bip 
1 1/2" x 2 1/2"  plastic on original card with staples in damaged cellophane bubble
Marked "best sellers international"   

all are weighted walkers but would walk down slopes as well . 

Being sold by Glendale Toy Museum (now closed)