HTF simply sweet duo!  Each measures approx. 1 7/8"L x 1 3/8"W x 1 1/2"-1 3/4" Hgt. ~ appear to be PVC plastic w/Aged metal hardware composite ~ 
Authentically embossed U.C.S. & Amblin (1 on Teal cart awning/other on yellow trike wheels.
See multiple & up-close outdoor photos: mild-moderate dust-grime color variations - trike front wheel screw Age tarnished, 
shown; otherwise, typical usage played/displayed wear. 
Smoke-free home.