Get the hottest deals online on Children Aqua Doodle Drawing Toys 1 Doodle Drawing Mat + 2 Water Drawing Pen. Water doodle drawing toys for infant above 2 years of age. Fill the pen with clear water, and you can begin doodle on the mat. The foggy letters and Arabic numbers around the white territory can direct children how to think of them. Polyester material, eco-accommodating and non-poisonous, a great option for paper canvas.