Kiddicraft Self-Locking Building Bricks
1947—1958
Urea formaldehyde
Convex studs
Rounded exterior and interior corners
Slits on both sides
Hollow underside

Specimen

2 × 2 brick

Underside marked with “KIDDICRAFT”

2 × 4 brick

Underside marked with “MADE IN ENGLAND”, “A HILARY PAG DESIGN” or “INJECTION MOULDERS LTD LONDON”

2 × 2 window

2 × 3 window

2 × 4 window

2 × 4 door

Roof, detail

Plastic laminated cardboard, scored to be folded in the center.