Diy 3D Tent Series Builder Blocks 138 PcsOur kids ultimate forts builder kits is designed for child aged 5 and up, they can build a cave, play tent, rocket, house, igloo, princess castle, tunnel, teepee, toy tents, pirate ship, just add a bed sheet to create a hideaway. Made with solid and premium plastic, simply insert and twist the rods into the balls, builder connect in a few seconds and easily disassemble, no structural collapse. Perfect creative toys for 2 3 or more children to play.