Babies love to experiment with cause and effect, and this pull-the-string busy box lets them do just that — and you won’t have to pick up cereal off the floor.

You will need:

–Sturdy gift box with a lid (we got ours at The Container Store)

–Screwdriver

–Strips of fleece or jersey, new or repurposed from old T-shirts (ours were 10 inches long)

1. Push the screwdriver gently through the lid to make holes.

2. Place the lid on the bottom of the box. Make a pencil mark in the center of each hole, then remove the lid and make holes with the screwdriver. Smooth out any rough edges.

3. Thread the strips through the bottom of the box and the corresponding holes in the lid, then put the lid on. Securely knot one end of each strip (we quadruple-tied ours). Trim each strip to 7 inches and tie another secure knot. Be sure to supervise play.

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