T-rex, velociraptor, stegosaurus, pterodactyl, triceratops, and brontosaurus skeleton connectors! Watch your kids create necklaces, backpack decorations, etc. or tubes can be cut with child-safe scissors to build structured creations like dinos, cars, and more. Wacky Links teach hand-eye coordination, fine-motor skills. 20 tube colors are green, red, yellow, orange, purple and blue. Weight - 0.3 lbs. Dimension - 2 1/4" x 1 1/4" x 9 1/4".