wonder if these could be used for terrariums Nature globes (DIY tutorial) created by Silver Rose Sewing: Fall Artifact Globe Tutorial - Reggio Emilia Inspired. She says she got the snow globes at Michael's Craft Store for each, and they can be reused.
Taking photos of each child and gluing them to a block. Makes it very personal and include in the classroom, incorporating these blocks into normal block and construction play. From a Reggio inspired website.