- Mega Sparklee Capybaras are made with extra-strength Thermoplastic Rubber (TPR) that makes them super soft and squishy, and filled with a proprietary sugar water formulation that give these cuddly Capybaras a slow rising, honey-like consistency perfect for squishing and squeezing. Highly durable and washable (just give a rinse with water when needed), these Capybaras are ready for long lasting fun!