As a girl who LOVED LEGO, my sister and I had two bins: one standard classic LEGO bin, and another more feminine Mega Bloks bin of pinks, whites, and light bluish teal‑ish colours. But they were often used more to build dollhouses, and we played with paper dolls in them. I often wished I had something that interacted better with the LEGO dollhouses — like Polly Pockets (the Y2K ones where the doll fits in your pocket, not the dollhouse that fits in your pocket) — something that could hold the...