Three stacks of translucent curved plastic building pieces in blue, orange and purple
Three stacks of translucent curved plastic building pieces in blue, orange and purple
Single translucent orange curved plastic building piece with side connector pegs
Single translucent orange curved plastic building piece with side connector pegs
Translucent blue curved tube building piece with dimensions 2.36 inches in height and 5.04 inches in length.
Translucent blue curved tube building piece with dimensions 2.36 inches in height and 5.04 inches in length.
Three stacks of translucent curved plastic building pieces in blue, orange and purple
Single translucent orange curved plastic building piece with side connector pegs
Translucent blue curved tube building piece with dimensions 2.36 inches in height and 5.04 inches in length.

PicassoTiles 6 Piece U-Turn Marble Run Accessory

$6.99 /

Send marbles around smooth 180-degree turns with the PicassoTiles Multicolor 180° U-Turn Tube Marble Run Expansion Pack. This 6pc Pick-A-Part accessory set includes translucent curved bowl tracks for redirecting movement and adding colorful turning points to compatible marble-run layouts.

Each track measures approximately 2.36 × 5.04 inches and features connector pegs for joining compatible components. Designed for full-sized PicassoTiles Marble Run and Magnetic Building sets, these add-on pieces help children create bigger routes without purchasing another complete playset. Building, testing, and repositioning the tracks encourages creativity, spatial reasoning, problem-solving, fine motor control, and hands-on STEM exploration for ages 3+.

5 Key Benefits

  1. Create 180° U-Turns: Curved bowl tracks redirect marbles through dramatic direction changes within compatible layouts.
  2. Expand Existing Builds: Add 6 specialized pathway pieces to full-sized PicassoTiles sets for bigger and more varied routes.
  3. Follow the Movement: Translucent tracks let children watch marbles travel through every curved section.
  4. Explore STEM Through Motion: Planning pathways and observing movement introduce gravity, direction, sequencing, and cause and effect.
  5. Build, Test and Improve: Repositionable pieces encourage children to experiment, troubleshoot, and redesign their marble runs.


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!

  • 6pc Accessory Pack: Includes 6 multicolor translucent 180° U-turn curved bowl tracks
  • 180° Turning Action: Redirects marble movement and adds dramatic changes in direction
  • Curved Bowl Design: Creates smooth turning points within compatible marble-run pathways
  • Track Dimensions: Each component measures approximately 2.36 inches high and 5.04 inches long
  • Translucent Finish: Makes it easy to follow marble movement through the curved tracks
  • Connector-Peg Assembly: Side pegs join the tracks 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
  • Bigger Route Possibilities: Helps extend layouts and connect pathway sections in new ways
  • Build, Test and Adjust: Children can observe marble movement and reposition pieces to improve each route
  • Hands-On STEM Learning: Construction and experimentation encourage planning, sequencing, and spatial reasoning
  • Fine Motor Practice: Connecting and arranging the tracks supports dexterity and hand-eye coordination
  • Screen-Free Activity: Adds engaging 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. Marble-run play may involve small parts. Refer to the product packaging and instructions for complete warnings, assembly guidance, handling directions, and safety information.

  • 6 multicolor translucent 180° U-turn curved bowl tracks
  • Each track measures approximately 2.36 × 5.04 inches

Total: 6 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 may vary.

Children can add the 6 translucent U-turn tracks to a compatible full-sized PicassoTiles Marble Run or Magnetic Building set. The curved bowl shape redirects marbles through 180-degree turns, helping young builders introduce dramatic direction changes and colorful movement into existing pathways.

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

After completing a layout, children can release a marble, observe its movement, and identify sections that need adjustment. Rotating a track, changing its position, or reconnecting nearby components encourages testing and problem-solving. Repeating this cycle of planning, building, observing, and improving promotes curiosity, persistence, flexible thinking, and screen-free STEM discovery.

  • SKU: PAP6PKSC
  • UPC: 840560900361
  • Product Name:PicassoTiles 6 Piece U-Turn Marble Run Accessory
  • Recommended Age: 3+ years
  • Material: ABS Plastic, Non-Toxic, BPA-Free

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