Montessori Object Permanence Box (Larger Safe Ball Remix)

This is a remix of the classic Montessori Object Permanence Toy, redesigned with safety as the top priority.

While the original design is fantastic for teaching young children about object permanence and developing hand-eye coordination, the original ball was small enough to fit inside a child's mouth, posing a potential choking hazard. This version scales up the interactive elements to create a worry-free toy for curious babies and toddlers who love putting everything in their mouths!

🖨 Printing & Safety Recommendations

Since this model is intended for hands-on play by babies and toddlers, durability and non-toxicity are essential:

• Recommended Filaments: Use impact-resistant, durable materials such as PETG, Tough PLA, or PCTG. Standard PLA can be brittle and may chip or crack if thrown onto hard floors.

• Perimeters & Infill: Print both the box and the ball with at least 3 to 4 walls (perimeters) and 15–20% infill (Gyroid or Grid recommended) to ensure structural strength against banging and dropping.

• Post-Processing for Safety: Inspect the printed ball carefully. Sand down any sharp Z-seams, blobs, or elephant foot edges until the surface is completely smooth and safe for teething mouths. Wash the printed parts thoroughly with mild soap and water before handing them to a child.

• Supports: [Add your recommendation here, e.g., "No supports required for well-calibrated bridging on the archway, though slim organic supports can be used if preferred."]

Safety Disclaimer: While this remix is specifically designed with a larger ball to reduce choking risks, 3D printed objects can degrade, delaminate, or break over time under heavy stress. Always supervise young children during play and regularly inspect the toy for any signs of wear or cracking.