Growing up means leaving some of your favorite treasures behind, as twins Jimmy and Janet are about to discover. Janet has a very special habit of collecting tiny, fascinating objects. She sneaks these wonderful thingamajigs into her crib, fiercely protecting her hidden stash from her curious twin brother. Naturally, Jimmy is deeply envious of her secret hoard, leading to constant bickering and hilarious squabbles between the two siblings. The battle over the thingamajigs seems like it will never end. But everything suddenly changes when their mother reveals a massive, grown up surprise for both of them. Realizing they are finally moving into big kid beds, the twins must decide what to do with the toys of their past. You will recognize the gentle, funny reality of early childhood in this warm story about sibling rivalry and the exciting milestones of growing up.