In December 2008, we released three new Yenka modelling products to replace Crocodile Physics. They work seamlessly together - sharing one user interface, in just the same way as Crocodile Physics did.
The new Yenka products include all of the benefits that were available through Crocodilia. There's free teacher and student home use, and free upgrades until 2012, and a full range of online classroom activities.
There are currently discounts for existing users who want to upgrade. Also, we'll be contacting schools who purchased Crocodile Physics in the last few months to offer free upgrades.