Three translucent s-curve plastic track pieces in cyan, yellow, and green
Three translucent s-curve plastic track pieces in cyan, yellow, and green
Yellow translucent s-curve plastic track piece
Yellow translucent s-curve plastic track piece
Translucent green s-curve plastic track piece with dimensions 2.17 inches in height and 6.89 inches in length.
Translucent green s-curve plastic track piece with dimensions 2.17 inches in height and 6.89 inches in length.
Three translucent s-curve plastic track pieces in cyan, yellow, and green
Yellow translucent s-curve plastic track piece
Translucent green s-curve plastic track piece with dimensions 2.17 inches in height and 6.89 inches in length.

PicassoTiles Multicolor Long S-Curved Tube Marble Run Expansion Pack

$4.99 /

Create longer pathways and smooth direction changes with the PicassoTiles Multicolor Long S-Curved Tube Marble Run Expansion Pack. This 3pc Pick-A-Part accessory set includes translucent long S-curved tube tracks for extending routes and adding flowing transitions to compatible marble-run layouts.

Each component measures approximately 2.17 × 6.89 inches and uses connector pegs to join compatible pieces. Designed for full-sized PicassoTiles Marble Run and Magnetic Building sets, these add-ons provide a focused way to expand an existing collection without purchasing another complete playset. Connecting, sequencing, testing, and repositioning the tracks supports creativity, spatial reasoning, problem-solving, fine motor control, and hands-on STEM exploration for ages 3+.

5 Key Benefits

  1. Create Longer Pathways: Extended S-curved tubes add more travel distance and movement to compatible marble-run routes.
  2. Add Flowing Direction Changes: The S-shaped design redirects the marble through smooth curves within elevated layouts.
  3. Expand Existing Builds: Add 3 specialized pathway components to a full-sized PicassoTiles collection without purchasing another complete set.
  4. Explore Motion Through STEM: Planning routes and observing marble movement encourage sequencing, spatial reasoning, and problem-solving.
  5. Test and Redesign: Repositionable components let children experiment with placement and adjust routes for better movement.


US customers receive free shipping on orders $49 or more, while all customers benefit from our 30-day return policy. Visit our Shipping & Returns page for more details.

Dream Big & Build Big!

  • 3pc Accessory Pack: Includes 3 multicolor translucent long S-curved tube tracks
  • Long S-Curved Design: Creates flowing direction changes and extended pathways within compatible marble runs
  • Extended Track Size: Each component measures approximately 2.17 inches high and 6.89 inches long
  • Translucent Multicolor Finish: Cyan, yellow, and green tracks add bright visual variety to completed routes
  • Connector-Peg Assembly: Side pegs join the tubes to compatible marble-run components
  • Pick-A-Part Expansion: Adds specialized pathway pieces to an existing PicassoTiles collection
  • Compatible Add-On: Designed for full-sized PicassoTiles Marble Run and Magnetic Building sets
  • Focused 3pc Assortment: Provides a targeted expansion option for adding longer curved passages
  • More Route Possibilities: Use the tubes to extend tracks, redirect movement, and connect different pathway sections
  • Build, Test and Adjust: Children can observe marble movement and reposition components to improve the route
  • Hands-On STEM Learning: Construction and experimentation support planning, sequencing, and spatial awareness
  • Fine Motor Practice: Attaching and arranging the tracks encourages dexterity and hand-eye coordination
  • Screen-Free Activity: Adds hands-on construction challenges to independent or shared play
  • BPA-Free Construction: Made from non-toxic, BPA-free ABS plastic
  • Designed for Ages 3+: Recommended for preschool-age builders and older children

Safety Notice: Recommended for children ages 3 and older. Refer to the product packaging and instructions for complete warnings, assembly guidance, handling directions, and safety information.

  • 3 multicolor translucent long S-curved tube tracks
  • Each track measures approximately 2.17 × 6.89 inches

Total: 3 pieces

This accessory pack is designed to expand full-sized PicassoTiles Marble Run and Magnetic Building sets. A complete base set, magnetic tiles, marbles, and additional track components are not included. Actual product colors and assortment may vary.

Children can add the 3 long S-curved tube tracks to a compatible full-sized PicassoTiles Marble Run or Magnetic Building set. Their extended shape creates longer enclosed pathways and flowing direction changes that bring new movement possibilities to existing marble-run layouts.

Building a working route encourages children to consider connection points, direction, sequence, height, and the path a marble will follow. Attaching and positioning the S-curved tubes supports fine motor control and hand-eye coordination while introducing early concepts involving motion, gravity, spatial relationships, momentum, and cause and effect.

After completing a route, children can release a marble, observe how it travels through each curve, and identify areas that need adjustment. They can rotate a tube, change its position, reconnect nearby pieces, or redesign part of the pathway. Repeating this cycle of planning, building, testing, and improving encourages curiosity, persistence, flexible thinking, and creative problem-solving through screen-free STEM play.

  • SKU: PAP3PKS
  • UPC: 840560900408
  • Product Name: PicassoTiles 3 Piece Multicolor S-Curved Tube Marble Run Accessory
  • Recommended Age: 3+ years
  • Material: ABS Plastic, Non-Toxic, BPA-Free

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