The 3D Mouse appears to be a 3D Connexion SpaceNavigator, which is a 109.00 USD value.
Note that the promotional offer image above is a little misleading, as you're required to do more than download the software, e.g. from the terms and conditions:
- Offer for mouse only valid with purchase of Bendworks Software yearly license
- One promotional order per customer if quantity 5 are ordered
Additional terms and conditions apply. See the promotion page for full details.
This offer is valid through December 31, 2016.