It is important to start with realistic expectations: chameleons are not playful in the way a dog or a parrot is, and they do not interact with toys. Enrichment for a veiled chameleon means giving it opportunities to perform natural behaviors — climbing, exploring, hunting, basking, and hiding — within a thoughtfully designed environment. The 'toys' in this case are environmental features, not objects the animal manipulates.
A veiled chameleon's day revolves around moving through its three-dimensional space to thermoregulate, find food, and stay hidden. Enrichment that respects this is about variety and complexity in the habitat rather than novelty objects. A richer environment supports better muscle tone, more natural behavior, and lower stress.
The single most important enrichment principle for this species is to avoid forcing interaction. Veiled chameleons are solitary and generally dislike handling; the most enriching thing a keeper can often do is provide a stimulating enclosure and then largely leave the animal to use it on its own terms.