Cratejoy: Discover Unique Subscription Boxes for Every Interest

Sibling Add On

Sibling Add On - Main image
$9.15 $15 In stock

Sibling Add On



Double the joy, double the fun!


This option multiplies the magic by adding duplicate items to your original box.


Perfect for siblings who love to share and play together.


Ensure both kids can enjoy the excitement simultaneously, fostering bonding moments and creating lasting memories.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

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Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Leo S. ★★★★★

The extra items came in perfect matching sets, so both my kids got identical toys and there was zero fighting over who got what. It’s such a simple idea but honestly makes our playtime way smoother, and the box felt twice as exciting to open.

Owen A. ★★★★★

I was worried about fairness, but the duplicate items made sharing so much easier. Both kids got their own set, and the box was packed neatly with everything identical. Perfect for avoiding the “that’s mine” arguments.

Madison ★★★★★

Ordered the add-on so my two boys could each have their own matching set, and the duplicate items arrived perfectly in the same box. They love that they don’t have to fight over who gets what, and the whole unpacking felt twice as exciting for them. Exactly what we needed for sibling harmony.