MESS-FREE WATER ART: All 4 reusable art boards put a fun spin on traditional coloring books — no paints, no markers, no mess! It's the perfect kind of toddler toys and kids crafts. REVEAL FUN SURPRISES: Use a magical refillable brush pen to color on the pages and reveal vibrant colors underneath with fun hidden surprises — just add water! REUSABLE: When the pen runs out of water and the colors fade away, simply refill, and bring Hello Kitty to life again and again — this is not your average Hello Kitty coloring book! GREAT ON THE GO: This set is small enough to bring anywhere but large enough to keep young minds occupied and entertained — a must-have for road trip essentials, airplane travel toys & play dates! SET INCLUDES: 1 Spiral-Bound Aqua Art Pad (4 Sheets, 6 in. x 7.5 in.), 1 Brush Pen