Brief description: Replay stackable snack cups are a simple, easy to assemble food puzzle.
Materials: Replay Stackable snack cups can be purchased on Amazon
Assembly instructions: No assembly required
How to use: Put a smear of peanut butter or a treat in each cup. Screw as many cups together as you want to form stacks. Add a lid to the top of the cup stack.
Price: ~$25 for a set of six cups.
