- Written by Gertrude Chandler Warner
- Narrated by Tim Gregory
- Audiobook
- ISBN: 9781621883210
- 1 hour 59 minutes
- 7–12 years old
- Included in All Memberships
The Giant Yo-Yo Mystery
Oasis Audio ● The Boxcar Children Mysteries
The Aldens are helping a local carpenter build a giant yo-yo that could break a world record! But when plans are stolen, it’s clear someone doesn’t want this yo-yo to be built. Can the Boxcar Children save the day?
