Challenge Your Friends.
We double-dog dare you.
Make challenges for your friends, and get rewards for completing others' challenges.
Thumbob is…
- Create challenges for sky diving
- Complete challenges by helping the homeless
- Earn rewards for jumping rope
Cuz, you can…
- Motivate others to lose weight
- Try new things, like sky diving
- Have lots of fun by helping the homeless
- Compete with others in jumping rope