Replacement Pack for Middle School

3 parts appear in only a few other sets

• Plate Round Corners 4 x 4 x 2/3 Circle with Reduced KnobsDark Blue · ×2also in 45622 Science Kit Year 7-9 (all Educational and Dacta)
• Brick Curved 6 x 1Dark Turquoise · ×4also in 45621 Science Kit Year 4-6, 45622 Science Kit Year 7-9 (all Educational and Dacta)
• Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 OpeningWhite · ×2also in 45622 Science Kit Year 7-9, 21357 Disney Pixar Luxo Jr., 11377 The Lord of the Rings: Minas Tirith

3 parts are otherwise only found in Educational and Dacta sets

• Plate Special 2 x 2 with Rubber FootBlack · ×6
• Wheel Smooth 24 x 14mm with Pin HoleBlack · ×2
• Torso, Bright Light Orange Arms, Bright Light Orange Hands [Plain]Bright Light Orange

2 moulds first came out in 2025, including in this set

• Plate Special 2 x 2 with Rubber Foot×6
• Wheel Smooth 24 x 14mm with Pin Hole×2

7 existing moulds first came out in their colour in 2025, including in this set

• Cone 1 x 1 [Top Groove]Bright Light Orange · ×12
• Cone 1 x 1 [Top Groove]Dark Turquoise · ×12
• Brick 2 x 2 x 3Medium Nougat · ×4
• Brick Curved 6 x 1Dark Turquoise · ×4
• Plate Round Corners 4 x 4 x 2/3 Circle with 2 x 2 OpeningWhite · ×2
• and 2 more