Elephant Boxes and Feather Boxes

Some closed boxes are empty (feathers) and others have cushions inside (elephants), and they all look the same: children push them, lift them, and guess which is which. It works on controlling force and sensing weight.

How to play

1. The teacher shows two identical boxes; kids push each with one finger and notice one slides easily and the other doesn't (1 min).
2. Each child tests several boxes by pushing with their hands and calls out “Feather!” or “Elephant!” (3 min).
3. We push the feathers to the feather house (a corner) and the elephants to the elephant house (3 min).
4. Elephants move in pairs: partners push or drag the heavy boxes together (2 min).
5. The teacher secretly switches cushions between boxes and we guess again (2 min).
6. We open the boxes to check, then lie down with an elephant cushion under our heads (1 min).

Rules

• Before lifting, I give a little push to find out how heavy it is.
• Elephant boxes are moved as a team.
• We don't throw boxes, not even feathers.
• I respect my partner's guess even if I think differently; then we check.

Variations

Adaptations

• Limited mobility: place boxes on a table at the child's height to push by hand from the chair.
• Less strength: fill elephant boxes with light cushions so they take effort without causing frustration.
• Visual impairment: a great fit; add shaking the box to hear if it sounds hollow.

Learning goals

• Adjust force to an object's weight.
• Compare weights using the body.
• Cooperate to move heavy objects.

Equipment for a class of 25

• Medium cardboard boxes: 20
• Cushions: 15
• Colored stickers: 40

Teacher tip

Use identical boxes so kids can't rely on their eyes, and tape them shut. Remind them how to lift safely (bend your knees), and never load a box heavier than the smallest child can lift with a partner.

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