Innovative, easy to use projector wheel featuring an all time favorite nursery rhyme. Compatible with our SNAP Projectors (SNAP, Super SNAP and SNIP) but will also fit all Solar Projectors with the purchase of our SNAP Adaptor. SNAP Adaptor (9PW6X). The magnet attachment on this wheel allows quick wheel change to keep sensory sessions purposeful and interesting for your clients, students or loved one. Projector wheels with pictures and scenes promote attention, focus and engagement.