I had a new Little Listener last week and used my favorite Tupperware Busy Blocks that open. The child was recently implanted and the blocks were perfect for fostering detection and attending
Tupperware Toys Busy Blocks 21 Plastic Building Blocks With - Etsy
Let's not forget that Tupperware made a bunch of plastic toys, too
Small Scale World: G is for the Great Grey-Green Greasy Limpopo River