It would be blocks because…
They last forever! You can use them to teach color and shape. They build fine motor skills as children practice stacking and balancing. Children can explore 2D and 3D aesthetic design with them. They provide hands-on practice for creating sturdy and functional 3D design. Blocks are an open-ended toy with infinite creative possibilities! ”They” play nicely with other toys. It is okay if one is missing. Children of ALL AGES enjoy blocks. It’s fun to knock them down! They never end up in the basement!
If you don’t have blocks yet and I have inspired you to get a set why not consider this 36 piece set that comes with a pull cart: Melissa and Doug Unit Blocks on Wheels
Or this beautiful 50 piece set from The Land of Nod: Kids Educational Toys: Kids 50 Piece Colorful Wooden Block Set
Or this colorful 42 piece set with fun balancing shapes from One Step Ahead: PBS Kids City Exploration Building Blocks
Or how about a 46 piece set with more “architectural” pieces offered through Amazon: PlanToys Plan Preschool Creative Blocks, 35 mm
Or these giant foam blocks offered through Amazon: EduShape Wood- Like Giant Blocks 726032
*If you are interested in any of my selections, consider clicking on my hyperlinks (the blue text) which will take you to the retailer. It doesn’t cost you any more and helps support my blog!