$3.50 incl GST & delivery
A bouncy putty that shows its true colour in the sun or under UV light! The putty contains leuco dyes that vividly change colour when exposed to UV. A fun reversible change that even Einstein could have used to demonstrate his science.
Age: 5 to 12 years
Included: 25g putty of one colour + UV light in metal tin & 1 instruction sheet
Minimum order: 12 (packs of 12) FREE shipping