Crazy Aarons Thinking Putty - Rainbow Reveal

Triple-Effect Putty: Features three amazing colour-changing properties - heat-sensitive transformation, UV-reactive changes in sunlight, and glow-in-the-dark capabilities
Divide the putty into three portions and warm two pieces with your hands to create additional colours for creative play
UV-REACTIVE: Expose portions of the putty to sunlight to reveal stunning new rainbow colours in an exciting transformation
GLOW FEATURE: Experience magical illumination when you bring the putty into a dark room after exposure to light
GENEROUS SIZE: Contains 90 grams of premium thinking putty, perfect for extended creative play and colour-changing experiments