コンテナ遊び：幼児用ルースパーツSTEMキット

The little compartments make clean-up almost too easy—my son sorts the pieces back in before I even ask. He’s been stacking, hiding, and pouring for twenty minutes straight, which feels like a win for a toddler’s attention span.

My daughter has spent the last three mornings quietly arranging the little tubes and rings into patterns I never would have thought of, and that kind of open-ended focus is exactly what I hoped for. The "laboratory of opportunity" concept really works—she's the one leading the experiments, not me.

The variety of loose parts in this kit keeps my toddler engaged for way longer than any single toy we've tried, and the open-ended setup means she's always discovering something new. I love watching her sort the pieces into the containers by color and shape, and it's held up great to daily tossing a