Keep your secrets safe in this Project Mc2 Light-Up Diary. It includes an invisible ink pen that allows you to write passages, names and more. Just turn on the cap's UV light to see the words glow. The kid's diary also comes with stickers and step by step instructions. It has 180 pages in total and it is easy to customize.

• Record your thoughts and daily highlights using this stylish Light Up Diary
  
• Write secret messages only you can see using the blacklight pen that makes the words glow

detailedDescription":"

Project Mc2 Light-Up Diary:

• Write secret messages only you can see
• Keeps your secrets safe
• Included blacklight pen makes the words glow
• Ideal for children 6 and up
• Project Mc2 diary is easy to customize and decorate
• Gemstone on cover lights diary up
• Contents: 180 pages, 1 black-light pen, 2 sticker sheets and step-by-step instructions

Brand：Project MC2

Age Group：Child

Manufacturer Part Number：73213

Assembled Product Weight：0.77 oz

Assembled Product Dimensions (L x W x H)：10.00 x 2.00 x 10.50 Inches

Project Mc2 Light Up Diary 556396084