41516 Features: -Wheel. -Wheel projects hot and cold images. -Compatible with solar 100C and solar 250 projectors. -Multi-colored. Gender: -Boy/Girl. Category: -Early Development Toys. Generic Dimensions: -6″ H x 6″ W, 1 lbs. Dimensions: Overall Height – Top to Bottom: -6 Inches. Overall Width – Side to Side: -6 Inches. Overall Product Weight: -1 Pounds.