friction-fit interlocking system unique to IO Blocks®
using the Spheres on a light panel will enhance the children's opportunities for color mixing
easy-to-find geographic locations
This set includes a header (11" x 17")
colorful critters make problem-solving playful
Maped Marker'Peps Medium Tip Whiteboard Markers, School Pack (discontinued) brand-bigjigs-toys friction-fit interlocking system unique toNon toxic, low odor dry erase markers. Bright colors go on smoothly. High quality ink easily and cleanly erases even after several days. For use on white boards, glass, and most non porous surfaces. Fine tip (1. 5mm) is perfect for home, office, and school. School Pack includes 12 bright colors (20 black, 20 blue, 12 of each yellow, orange, red, pink, purple, teal, jungle green, turquoise, green, & brown), 20 erasing clothes, and 20 spare clear caps.