STEM Explorers™ Marble Runners

Make your own STEM marble challenge on windows and walls with 13 reusable cling-back track pieces.

• Build critical thinking skills with fun STEM activities.
• STEM Explorers Marble Runners includes 13 reusable track pieces that adhere to most smooth surfaces and can be used over and over again – no permanent adhesive needed!
• Use them at home or in the classroom on surfaces including walls, and windows to build fun marble challenges.
• The set includes 13 track pieces, 2 balls, double-sided challenge cards, and Activity Guide.