then simply let the pages dry to erase the pictures almost 3-10 minutes later and fill it in again and again

The product needs to be assembled by itself

you can create intricate handmade patterns with super ease

Strong yet flexible

Gift Length: 15cm/5

Big Building Track Blocks gifts then simply let the pagesBig Building Track Blocks THREE MAIN FEATURES: Develop Intelligence Hands on Skills Learning Skills OTHER FEATURES: Enhance the communication between parents and kids; Made of environmental ABS material, durable and safe; Smooth surface and good hand feeling designed for kids; Colorful blocks also help attract kids' attention away from electronic equipment, protecting their eyes. NOTE: Children should play this under the supervision of adults.