Lakeshore STEM Create-A-Chain Reaction Class Set PP566 Pre K-2 NIB SealedBox NOS

Lakeshore Create-A-Chain Reaction Pre K-Grade 2 Multicolor STEM Learning Kit Manufacture Date: 2020  Model Create-A-Chain Reaction (STEM Science Kit - Class Set Series #PP566) High-contrast Blue, Yellow, Orange, and Green educational components Super-durable, classroom-grade heavy plastic builders Condition Pristine New Old Stock (NOS) / New In Box (NIB). The box is fully intact with sharp corners, completely untouched and sealed inside its original factory clear cellophane wrap protection. Massive 73-piece configuration CLASS SET. Includes 3 separate difficulty levels of challenge cards (Easy, Medium, Hard), ramps, custom pendulums, hammers, switches, tracking lanes, and weighted goal boxes KEYWORDS: Lakeshore STEM Kit, Chain Reaction Game, Classroom Science, Physics Toy Set, PreK Kindergarten, 1st 2nd Grade, Homeschool Supply, Lakeshore PP566, Sealed Building Toy, Engineering Kit, New Old Stock Toy, Gravity Science, Educational Box, Teacher Lesson Kit, Cause Effect Toy