With a PE rail that can rotate marbles once! Course design is easy! Adopted color chart paper! It is easy to make two stories and tunnels with paper pipe! One side white board × 1, One side color cardboard * Color mixing × 1, Double sided color grid paper (8 cut · thin opening) × 1, color molding × 1, paper tube × 1, double-sided tape × 1, PE rail × 1, marbled × 1, dividing pin × 2, name tag × 120 or more items purchased "1 teacher's technique document DVD" service one piece interesting cardboard: 380 × 270 × 3 mm, one side color cardboard: 300 × 205 × 2 mm, color molding: Φ 6 × 240 mm, paper pipe: internal diameter φ 38 × 140 × thickness
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