1.A MindWare elevator marble run for those rainy fall days when "just go outside" is ~not an option~ and you want to entertain your kid with some good ol' fashioned physics until the sun comes out.

Which order should you add two numbers? Numberblocks Two and Three have the answer: you can add two bananas to three bananas, or three bananas to two bananas and the total stays the same. It's five ...